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Speciation and Selection Pogil: Unlocking the Mysteries of Evolutionary Biology
Are you grappling with the complexities of speciation and natural selection? Do you find yourself staring blankly at your POGIL (Process Oriented Guided Inquiry Learning) activities on these crucial evolutionary concepts? This comprehensive guide dives deep into the world of speciation and selection, breaking down the key principles in an easy-to-understand manner, specifically tailored to help you conquer those POGIL exercises. We’ll explore the mechanisms driving speciation, the role of natural selection, and provide practical examples to solidify your understanding. Prepare to unlock the secrets behind the diversity of life on Earth!
H2: Understanding Speciation: The Birth of New Species
Speciation, the process by which one species splits into two or more distinct species, is a cornerstone of evolutionary biology. But what exactly defines a species? While there isn’t one universally accepted definition, the biological species concept is widely used: two populations are considered separate species if they cannot interbreed and produce viable, fertile offspring. This inability to interbreed is often due to reproductive isolation.
H3: Mechanisms of Reproductive Isolation
Several mechanisms can prevent gene flow between populations, leading to speciation. These mechanisms can be categorized as prezygotic (preventing fertilization) or postzygotic (preventing viable offspring after fertilization).
#### H4: Prezygotic Barriers
Habitat Isolation: Populations live in different habitats, preventing encounters.
Temporal Isolation: Breeding occurs at different times.
Behavioral Isolation: Differences in courtship rituals or mating behaviors prevent mating.
Mechanical Isolation: Incompatible reproductive structures prevent mating.
Gametic Isolation: Sperm and egg are incompatible.
#### H4: Postzygotic Barriers
Reduced Hybrid Viability: Hybrid offspring are weak or do not survive.
Reduced Hybrid Fertility: Hybrid offspring are sterile.
Hybrid Breakdown: First-generation hybrids are fertile, but subsequent generations are sterile.
H2: The Driving Force: Natural Selection in Speciation
Natural selection plays a pivotal role in speciation. It acts on variations within populations, favoring traits that enhance survival and reproduction in a particular environment. Over time, these advantageous traits become more common, potentially leading to reproductive isolation and the formation of new species.
H3: Adaptive Radiation: A Speciation Showcase
Adaptive radiation is a prime example of how natural selection drives speciation. This occurs when a single ancestral species rapidly diversifies into multiple new species, each adapted to a different ecological niche. Think of Darwin’s finches on the Galapagos Islands – their beak variations, driven by natural selection to exploit different food sources, exemplify adaptive radiation.
H2: Allopatric vs. Sympatric Speciation: Geographical Context Matters
The geographical context of speciation is crucial in understanding the process.
H3: Allopatric Speciation
Allopatric speciation occurs when populations are geographically separated, preventing gene flow. This separation can be caused by various factors like mountain ranges, rivers, or continental drift. Over time, isolated populations evolve independently, accumulating genetic differences that eventually lead to reproductive isolation.
H3: Sympatric Speciation
Sympatric speciation, on the other hand, occurs within the same geographic area. This is less common and often involves mechanisms like polyploidy (changes in chromosome number) in plants or sexual selection driving reproductive isolation.
H2: Applying Your Knowledge to POGIL Activities
Now that we’ve covered the fundamentals, let's address how this knowledge translates to your POGIL activities. POGIL exercises often present scenarios requiring you to analyze data, predict outcomes, and apply concepts of speciation and selection. By understanding the mechanisms of reproductive isolation, the role of natural selection, and the different modes of speciation, you’ll be well-equipped to tackle these challenges. Focus on identifying the driving forces behind the changes observed in the scenarios presented.
Conclusion
Understanding speciation and natural selection is crucial to grasping the vast diversity of life on Earth. By understanding the various mechanisms driving reproductive isolation and the role of natural selection in shaping populations, you can effectively analyze complex evolutionary scenarios. This guide provides a solid foundation to help you master your POGIL activities and develop a deeper appreciation for the intricacies of evolutionary biology. Remember to practice applying these concepts to different examples and scenarios to solidify your understanding.
FAQs
1. What is the difference between microevolution and macroevolution? Microevolution refers to small-scale changes within a population (e.g., changes in allele frequencies), while macroevolution encompasses large-scale evolutionary changes above the species level (e.g., the origin of new species).
2. Can natural selection create new traits? Natural selection acts on existing genetic variation within a population. It doesn't create new traits, but it can favor certain traits, leading to their increased frequency. New traits arise through mutations.
3. How can I tell if two populations are different species? The most reliable way is to determine if they can interbreed and produce fertile offspring. If not, they are likely separate species. However, this definition isn't always applicable (e.g., extinct species).
4. Is speciation a rapid or gradual process? Speciation can occur both rapidly (punctuated equilibrium) and gradually (gradualism), depending on the environmental pressures and the mechanisms involved.
5. What is the significance of understanding speciation? Understanding speciation is vital for conservation efforts, as it helps us identify and protect distinct species and understand the processes that lead to biodiversity loss.
| speciation and selection pogil: The Beak of the Finch Jonathan Weiner, 2014-05-14 PULITZER PRIZE WINNER • A dramatic story of groundbreaking scientific research of Darwin's discovery of evolution that spark[s] not just the intellect, but the imagination (Washington Post Book World). “Admirable and much-needed.... Weiner’s triumph is to reveal how evolution and science work, and to let them speak clearly for themselves.”—The New York Times Book Review On a desert island in the heart of the Galapagos archipelago, where Darwin received his first inklings of the theory of evolution, two scientists, Peter and Rosemary Grant, have spent twenty years proving that Darwin did not know the strength of his own theory. For among the finches of Daphne Major, natural selection is neither rare nor slow: it is taking place by the hour, and we can watch. In this remarkable story, Jonathan Weiner follows these scientists as they watch Darwin's finches and come up with a new understanding of life itself. The Beak of the Finch is an elegantly written and compelling masterpiece of theory and explication in the tradition of Stephen Jay Gould. |
| speciation and selection pogil: Lizards in an Evolutionary Tree Jonathan B. Losos, 2011-02-09 In a book both beautifully illustrated and deeply informative, Jonathan Losos, a leader in evolutionary ecology, celebrates and analyzes the diversity of the natural world that the fascinating anoline lizards epitomize. Readers who are drawn to nature by its beauty or its intellectual challenges—or both—will find his book rewarding.—Douglas J. Futuyma, State University of New York, Stony Brook This book is destined to become a classic. It is scholarly, informative, stimulating, and highly readable, and will inspire a generation of students.—Peter R. Grant, author of How and Why Species Multiply: The Radiation of Darwin's Finches Anoline lizards experienced a spectacular adaptive radiation in the dynamic landscape of the Caribbean islands. The radiation has extended over a long period of time and has featured separate radiations on the larger islands. Losos, the leading active student of these lizards, presents an integrated and synthetic overview, summarizing the enormous and multidimensional research literature. This engaging book makes a wonderful example of an adaptive radiation accessible to all, and the lavish illustrations, especially the photographs, make the anoles come alive in one's mind.—David Wake, University of California, Berkeley This magnificent book is a celebration and synthesis of one of the most eventful adaptive radiations known. With disarming prose and personal narrative Jonathan Losos shows how an obsession, beginning at age ten, became a methodology and a research plan that, together with studies by colleagues and predecessors, culminated in many of the principles we now regard as true about the origins and maintenance of biodiversity. This work combines rigorous analysis and glorious natural history in a unique volume that stands with books by the Grants on Darwin's finches among the most informed and engaging accounts ever written on the evolution of a group of organisms in nature.—Dolph Schluter, author of The Ecology of Adaptive Radiation |
| speciation and selection pogil: Biology for AP ® Courses Julianne Zedalis, John Eggebrecht, 2017-10-16 Biology for AP® courses covers the scope and sequence requirements of a typical two-semester Advanced Placement® biology course. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology for AP® Courses was designed to meet and exceed the requirements of the College Board’s AP® Biology framework while allowing significant flexibility for instructors. Each section of the book includes an introduction based on the AP® curriculum and includes rich features that engage students in scientific practice and AP® test preparation; it also highlights careers and research opportunities in biological sciences. |
| speciation and selection pogil: Eco-evolutionary Dynamics Andrew P. Hendry, 2020-06-09 In recent years, scientists have realized that evolution can occur on timescales much shorter than the 'long lapse of ages' emphasized by Darwin - in fact, evolutionary change is occurring all around us all the time. This work provides an authoritative and accessible introduction to eco-evolutionary dynamics, a cutting-edge new field that seeks to unify evolution and ecology into a common conceptual framework focusing on rapid and dynamic environmental and evolutionary change. |
| speciation and selection pogil: Supporting Teachers' Formative Assessment Practice with Learning Progressions Erin Furtak, 2017-10-05 This book presents the results of a four-year, National Science Foundation-funded project that engaged nine high school biology teachers at three public high schools in long-term, on-site professional development program centered on a learning progression. It explores the influence of teacher participation in this professional development experience on their learning about student thinking, formative assessment task design, classroom practices, and student learning. Taking an in-depth look at the multiple sources of data gathered as part of the study, this volume reflects on the emergence of professional communities focused on formative assessment design and enactments and associations between teacher participation in learning progression-centered professional development and student learning. |
| speciation and selection pogil: On the Origin of Species Illustrated Charles Darwin, 2020-12-04 On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life),[3] published on 24 November 1859, is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology.[4] Darwin's book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection. It presented a body of evidence that the diversity of life arose by common descent through a branching pattern of evolution. Darwin included evidence that he had gathered on the Beagle expedition in the 1830s and his subsequent findings from research, correspondence, and experimentation. |
| speciation and selection pogil: POGIL Activities for AP Biology , 2012-10 |
| speciation and selection pogil: The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life Charles Darwin, 1896 |
| speciation and selection pogil: Principles of Biology Lisa Bartee, Walter Shiner, Catherine Creech, 2017 The Principles of Biology sequence (BI 211, 212 and 213) introduces biology as a scientific discipline for students planning to major in biology and other science disciplines. Laboratories and classroom activities introduce techniques used to study biological processes and provide opportunities for students to develop their ability to conduct research. |
| speciation and selection pogil: Darwinism Alfred Russel Wallace, 1889 |
| speciation and selection pogil: Abert and Kaibab Bob Reese, 1987 Two Grand Canyon squirrels meet for the first time and discover their differences. |
| speciation and selection pogil: Tree Thinking: An Introduction to Phylogenetic Biology David A. Baum, Stacey D. Smith, 2012-08-10 Baum and Smith, both professors evolutionary biology and researchers in the field of systematics, present this highly accessible introduction to phylogenetics and its importance in modern biology. Ever since Darwin, the evolutionary histories of organisms have been portrayed in the form of branching trees or “phylogenies.” However, the broad significance of the phylogenetic trees has come to be appreciated only quite recently. Phylogenetics has myriad applications in biology, from discovering the features present in ancestral organisms, to finding the sources of invasive species and infectious diseases, to identifying our closest living (and extinct) hominid relatives. Taking a conceptual approach, Tree Thinking introduces readers to the interpretation of phylogenetic trees, how these trees can be reconstructed, and how they can be used to answer biological questions. Examples and vivid metaphors are incorporated throughout, and each chapter concludes with a set of problems, valuable for both students and teachers. Tree Thinking is must-have textbook for any student seeking a solid foundation in this fundamental area of evolutionary biology. |
| speciation and selection pogil: Archaea Frank T. Robb, A. R. Place, 1995 |
| speciation and selection pogil: The Basics of Evolution Anne Wanjie, 2013-07-15 This compelling text examines evolution, its definition, the scientific evidence that evolution has taken place, natural selection, Darwin's Origin of Species, genetics and evolution, population genetics, patterns in evolution and species concepts, the story of life and geological time, and human evolution. The easy-to-follow narrative offers students additional biological information in sidebars, such as Closeup boxes that give details about main concepts, Try This boxes that provide safe experiments for readers to perform, What Do You Think? panels that challenge students' reading comprehension, Applications boxes that describe how biological knowledge improves daily life, Red Herring boxes that profile failed theories, Hot Debate panels that spotlight the disagreements and discussions that rage in the biological sciences, and Genetic Perspective boxes that summarize the latest genetic research. The text serves as a must-have resource on modern thinking about evolution and the history of evolutionary theories. |
| speciation and selection pogil: On the Law Which Has Regulated the Introduction of New Species Alfred Russel Wallace, 2016-05-25 This early work by Alfred Russel Wallace was originally published in 1855 and we are now republishing it with a brand new introductory biography. 'On the Law Which Has Regulated the Introduction of New Species' is an article that details Wallace's ideas on the natural arrangement of species and their successive creation. Alfred Russel Wallace was born on 8th January 1823 in the village of Llanbadoc, in Monmouthshire, Wales. Wallace was inspired by the travelling naturalists of the day and decided to begin his exploration career collecting specimens in the Amazon rainforest. He explored the Rio Negra for four years, making notes on the peoples and languages he encountered as well as the geography, flora, and fauna. While travelling, Wallace refined his thoughts about evolution and in 1858 he outlined his theory of natural selection in an article he sent to Charles Darwin. Wallace made a huge contribution to the natural sciences and he will continue to be remembered as one of the key figures in the development of evolutionary theory. |
| speciation and selection pogil: The Evolution of Feathers Christian Foth, Oliver W. M. Rauhut, 2020-03-11 Feathers are one of the most unique characteristics of modern birds and represent the most complex and colourful type of skin derivate within vertebrates, while also fulfilling various biological roles, including flight, thermal insulation, display, and sensory function. For years it was generally assumed that the origin of flight was the main driving force for the evolution of feathers. However, various discoveries of dinosaur species with filamentous body coverings, made over the past 20 years, have fundamentally challenged this idea and produced new evolutionary scenarios for the origin of feathers. This book is devoted to the origin and evolution of feathers, and highlights the impact of palaeontology on this research field by reviewing a number of spectacular fossil discoveries that document the increasing morphological complexity along the evolutionary path to modern birds. Also featuring chapters on fossil feather colours, feather development and its genetic control, the book offers a timely and comprehensive overview of this popular research topic. |
| speciation and selection pogil: The Galapagos Islands Charles Darwin, 1996 |
| speciation and selection pogil: The Malay Archipelago Alfred Russel Wallace, 1898 |
| speciation and selection pogil: The Social Instinct Nichola Raihani, 2021-06-03 'A phenomenally important book' Lewis Dartnell, author of Origins Why do we live in families? Why do we help complete strangers? Why do we compare ourselves to others? Why do we cooperate? The science of cooperation tells us not only how we got here, but also where we might end up. In The Social Instinct Nichola Raihani introduces us to other species who, like us, live and work together. From the pied babblers of the Kalahari to the cleaner fish of the Great Barrier Reef, they happen to be some of the most fascinating and extraordinarily successful species on this planet. What do we have in common with these animals, and what can we learn from them? The Social Instinct is an exhilarating, far-reaching and thought-provoking journey through all life on Earth, with profound insights into what makes us human and how our societies work. 'A pleasing juxtaposition of insightful scientific theory with illuminating anecdotes' Richard Dawkins 'Surprising, thoughtful and, best of all, endlessly entertaining' Will Storr, author of The Science of Storytelling 'A superb book about how important cooperation is' Alice Roberts, author of Ancestors |
| speciation and selection pogil: How and Why Species Multiply Peter R. Grant, B. Rosemary Grant, 2011-05-29 Trace the evolutionary history of fourteen different species of finches on the Galapagos Islands that were studied by Charles Darwin. |
| speciation and selection pogil: Study Guide 1 DCCCD Staff, Dcccd, 1995-11 |
| speciation and selection pogil: Growing Diverse STEM Communities Leyte L. Winfield, Gloria Thomas, Linette M. Watkins, Zakiya S. Wilson-Kennedy, 2020-10-22 Role of the MSEIP grant in the success of STEM undergraduate research at Queensborough Community College and beyond -- Enhancing student engagement with peer-led team learning and course-based undergraduate research experiences -- Aiming toward an effective Hispanic serving chemistry curriculum -- Computational chemistry and biology courses for undergraduates at an HBCU : cultivating a diverse computational science community -- NanoHU : a boundary-spanning education model for maximizing human and intellectual capital -- Design and implementation of a STEM student success program at Grambling State University -- The role of the ReBUILDetroit Scholars Program at Wayne State University in broadening participation in STEM -- Using scholars programs to enhance success of underrepresented students in chemistry, biomedical sciences, and STEM -- The MARC U*STAR Program at University of Maryland Baltimore County (UMBC) 1997-2018 -- Pathways to careers in science, engineering, and math -- Leadership dimensions for broadening participation in STEM : the role of HBCUs and MSIs -- Bloom where you are planted : a model for campus climate change to retain minoritzed faculty scholars in STEM fields -- Maximizing mentoring : enhancing the impact of mentoring programs and initiatives through the Center for the Advancement of Teaching and Faculty Development at Xavier University of Louisiana -- Mentors, mentors everywhere : weaving informal and formal mentoring into a robust chemical sciences mentoring quilt -- Using technology to foster peer mentoring relationships : development of a virtual peer mentorship model for broadening participation in STEM. |
| speciation and selection pogil: Principles of Modern Chemistry David W. Oxtoby, 1998-07-01 PRINCIPLES OF MODERN CHEMISTRY has dominated the honors and high mainstream general chemistry courses and is considered the standard for the course. The fifth edition is a substantial revision that maintains the rigor of previous editions but reflects the exciting modern developments taking place in chemistry today. Authors David W. Oxtoby and H. P. Gillis provide a unique approach to learning chemical principles that emphasizes the total scientific process'from observation to application'placing general chemistry into a complete perspective for serious-minded science and engineering students. Chemical principles are illustrated by the use of modern materials, comparable to equipment found in the scientific industry. Students are therefore exposed to chemistry and its applications beyond the classroom. This text is perfect for those instructors who are looking for a more advanced general chemistry textbook. |
| speciation and selection pogil: Uncovering Student Ideas in Science: 25 formative assessment probes Page Keeley, 2005 V. 1. Physical science assessment probes -- Life, Earth, and space science assessment probes. |
| speciation and selection pogil: The Autobiography of Charles Darwin (查爾斯達爾文自傳) Charles Darwin, 2011-04-15 The life and career of Charles Darwin. |
| speciation and selection pogil: Chemistry Education Javier García-Martínez, Elena Serrano-Torregrosa, 2015-05-04 Winner of the CHOICE Outstanding Academic Title 2017 Award This comprehensive collection of top-level contributions provides a thorough review of the vibrant field of chemistry education. Highly-experienced chemistry professors and education experts cover the latest developments in chemistry learning and teaching, as well as the pivotal role of chemistry for shaping a more sustainable future. Adopting a practice-oriented approach, the current challenges and opportunities posed by chemistry education are critically discussed, highlighting the pitfalls that can occur in teaching chemistry and how to circumvent them. The main topics discussed include best practices, project-based education, blended learning and the role of technology, including e-learning, and science visualization. Hands-on recommendations on how to optimally implement innovative strategies of teaching chemistry at university and high-school levels make this book an essential resource for anybody interested in either teaching or learning chemistry more effectively, from experience chemistry professors to secondary school teachers, from educators with no formal training in didactics to frustrated chemistry students. |
| speciation and selection pogil: Science Stories You Can Count On Clyde Freeman Herreid, Nancy A. Schiller, Ky F. Herreid, 2014-06-01 Using real stories with quantitative reasoning skills enmeshed in the story line is a powerful and logical way to teach biology and show its relevance to the lives of future citizens, regardless of whether they are science specialists or laypeople.” —from the introduction to Science Stories You Can Count On This book can make you a marvel of classroom multitasking. First, it helps you achieve a serious goal: to blend 12 areas of general biology with quantitative reasoning in ways that will make your students better at evaluating product claims and news reports. Second, its 51 case studies are a great way to get students engaged in science. Who wouldn’t be glad to skip the lecture and instead delve into investigating cases with titles like these: • “A Can of Bull? Do Energy Drinks Really Provide a Source of Energy?” • “ELVIS Meltdown! Microbiology Concepts of Culture, Growth, and Metabolism” • “The Case of the Druid Dracula” • “As the Worm Turns: Speciation and the Maggot Fly” • “The Dead Zone: Ecology and Oceanography in the Gulf of Mexico” Long-time pioneers in the use of educational case studies, the authors have written two other popular NSTA Press books: Start With a Story (2007) and Science Stories: Using Case Studies to Teach Critical Thinking (2012). Science Stories You Can Count On is easy to use with both biology majors and nonscience students. The cases are clearly written and provide detailed teaching notes and answer keys on a coordinating website. You can count on this book to help you promote scientific and data literacy in ways to prepare students to reason quantitatively and, as the authors write, “to be astute enough to demand to see the evidence.” |
| speciation and selection pogil: POGIL Activities for High School Biology High School POGIL Initiative, 2012 |
| speciation and selection pogil: The Theory of Evolution John Maynard Smith, 1993-07-30 A century ago Darwin and Wallace explained how evolution could have happened in terms of processes known to take place today. This book describes how their theory has been confirmed, but at the same time transformed, by recent research. |
| speciation and selection pogil: Representational Systems and Practices as Learning Tools , 2009-01-01 Learning and teaching complex cultural knowledge calls for meaningful participation in different kinds of symbolic practices, which in turn are supported by a wide range of external representations, as gestures, oral language, graphic representations, writing and many other systems designed to account for properties and relations on some 2- or 3-dimensional objects. |
| speciation and selection pogil: Tropical Forest Ecology Egbert Giles Leigh, 1999 How do tropical forests stay green with their abundance of herbivores? Why do tropical forests have such a diversity of plants and animals? And what role does mutualism play in the ecology of tropical forests? |
| speciation and selection pogil: The Human Body Bruce M. Carlson, 2018-10-19 The Human Body: Linking Structure and Function provides knowledge on the human body's unique structure and how it works. Each chapter is designed to be easily understood, making the reading interesting and approachable. Organized by organ system, this succinct publication presents the functional relevance of developmental studies and integrates anatomical function with structure. - Focuses on bodily functions and the human body's unique structure - Offers insights into disease and disorders and their likely anatomical origin - Explains how developmental lineage influences the integration of organ systems |
| speciation and selection pogil: Evolution Illuminated Andrew P. Hendry, Stephen C. Stearns, 2004 This work gives a critical overview on the evolution and population biology of salmon and their relatives. It should appeal to investigators in each of the scientific disciplines it integrates - evolutionary biology, ecology, salmonid biology, management and conservation. Variation in salmonids can be used to illustrate virtually all evolution. |
| speciation and selection pogil: Nontraditional Careers for Chemists Lisa M. Balbes, 2007 A Chemistry background prepares you for much more than just a laboratory career. The broad science education, analytical thinking, research methods, and other skills learned are of value to a wide variety of types of employers, and essential for a plethora of types of positions. Those who are interested in chemistry tend to have some similar personality traits and characteristics. By understanding your own personal values and interests, you can make informed decisions about what career paths to explore, and identify positions that match your needs. By expanding your options for not only what you will do, but also the environment in which you will do it, you can vastly increase the available employment opportunities, and increase the likelihood of finding enjoyable and lucrative employment. Each chapter in this book provides background information on a nontraditional field, including typical tasks, education or training requirements, and personal characteristics that make for a successful career in that field. Each chapter also contains detailed profiles of several chemists working in that field. The reader gets a true sense of what these people do on a daily basis, what in their background prepared them to move into this field, and what skills, personality, and knowledge are required to make a success of a career in this new field. Advice for people interested in moving into the field, and predictions for the future of that career, are also included from each person profiled. Career fields profiled include communication, chemical information, patents, sales and marketing, business development, regulatory affairs, public policy, safety, human resources, computers, and several others. Taken together, the career descriptions and real case histories provide a complete picture of each nontraditional career path, as well as valuable advice about how career transitions can be planned and successfully achieved by any chemist. |
| speciation and selection pogil: The Correspondence of Charles Darwin: Volume 15, 1867 Charles Darwin, Frederick Burkhardt, Sydney Smith, 1985 During 1867 Darwin intensified lines of research on human expression and sexual selection. |
| speciation and selection pogil: Project Hail Mary Andy Weir, 2021-05-04 #1 NEW YORK TIMES BESTSELLER • From the author of The Martian, a lone astronaut must save the earth from disaster in this “propulsive” (Entertainment Weekly), cinematic thriller full of suspense, humor, and fascinating science—in development as a major motion picture starring Ryan Gosling. HUGO AWARD FINALIST • ONE OF THE YEAR’S BEST BOOKS: Bill Gates, GatesNotes, New York Public Library, Parade, Newsweek, Polygon, Shelf Awareness, She Reads, Kirkus Reviews, Library Journal • “An epic story of redemption, discovery and cool speculative sci-fi.”—USA Today “If you loved The Martian, you’ll go crazy for Weir’s latest.”—The Washington Post Ryland Grace is the sole survivor on a desperate, last-chance mission—and if he fails, humanity and the earth itself will perish. Except that right now, he doesn’t know that. He can’t even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he’s been asleep for a very, very long time. And he’s just been awakened to find himself millions of miles from home, with nothing but two corpses for company. His crewmates dead, his memories fuzzily returning, Ryland realizes that an impossible task now confronts him. Hurtling through space on this tiny ship, it’s up to him to puzzle out an impossible scientific mystery—and conquer an extinction-level threat to our species. And with the clock ticking down and the nearest human being light-years away, he’s got to do it all alone. Or does he? An irresistible interstellar adventure as only Andy Weir could deliver, Project Hail Mary is a tale of discovery, speculation, and survival to rival The Martian—while taking us to places it never dreamed of going. |
| speciation and selection pogil: POGIL Activities for High School Chemistry High School POGIL Initiative, 2012 |
| speciation and selection pogil: Electroanalysis Christopher Brett, Ana Maria Oliveira Brett, 1998-10-15 This is an introduction to the areas of application of electroanalysis, which has an important role with current environmental concerns, both in the laboratory and in the field. |
| speciation and selection pogil: Computers in Chemistry Ajit J. Thakkar, 1973-06-12 |
| speciation and selection pogil: Biological Data Exploration with Python, Pandas and Seaborn Martin Jones, 2020-06-03 In biological research, we''re currently in a golden age of data. It''s never been easier to assemble large datasets to probe biological questions. But these large datasets come with their own problems. How to clean and validate data? How to combine datasets from multiple sources? And how to look for patterns in large, complex datasets and display your findings? The solution to these problems comes in the form of Python''s scientific software stack. The combination of a friendly, expressive language and high quality packages makes a fantastic set of tools for data exploration. But the packages themselves can be hard to get to grips with. It''s difficult to know where to get started, or which sets of tools will be most useful. Learning to use Python effectively for data exploration is a superpower that you can learn. With a basic knowledge of Python, pandas (for data manipulation) and seaborn (for data visualization) you''ll be able to understand complex datasets quickly and mine them for biological insight. You''ll be able to make beautiful, informative charts for posters, papers and presentations, and rapidly update them to reflect new data or test new hypotheses. You''ll be able to quickly make sense of datasets from other projects and publications - millions of rows of data will no longer be a scary prospect! In this book, Dr. Jones draws on years of teaching experience to give you the tools you need to answer your research questions. Starting with the basics, you''ll learn how to use Python, pandas, seaborn and matplotlib effectively using biological examples throughout. Rather than overwhelm you with information, the book concentrates on the tools most useful for biological data. Full color illustrations show hundreds of examples covering dozens of different chart types, with complete code samples that you can tweak and use for your own work. This book will help you get over the most common obstacles when getting started with data exploration in Python. You''ll learn about pandas'' data model; how to deal with errors in input files and how to fit large datasets in memory. The chapters on visualization will show you how to make sophisticated charts with minimal code; how to best use color to make clear charts, and how to deal with visualization problems involving large numbers of data points. Chapters include: Getting data into pandas: series and dataframes, CSV and Excel files, missing data, renaming columns Working with series: descriptive statistics, string methods, indexing and broadcasting Filtering and selecting: boolean masks, selecting in a list, complex conditions, aggregation Plotting distributions: histograms, scatterplots, custom columns, using size and color Special scatter plots: using alpha, hexbin plots, regressions, pairwise plots Conditioning on categories: using color, size and marker, small multiples Categorical axes:strip/swarm plots, box and violin plots, bar plots and line charts Styling figures: aspect, labels, styles and contexts, plotting keywords Working with color: choosing palettes, redundancy, highlighting categories Working with groups: groupby, types of categories, filtering and transforming Binning data: creating categories, quantiles, reindexing Long and wide form: tidying input datasets, making summaries, pivoting data Matrix charts: summary tables, heatmaps, scales and normalization, clustering Complex data files: cleaning data, merging and concatenating, reducing memory FacetGrids: laying out multiple charts, custom charts, multiple heat maps Unexpected behaviours: bugs and missing groups, fixing odd scales High performance pandas: vectorization, timing and sampling Further reading: dates and times, alternative syntax |
Selection and Speciation - Ms. Shin's Class
Selection and Speciation 1 Selection and Speciation How can changes in a population result in the formation of a new species? Why? ... 2 ™ Activities for AP* Biology POGIL 3. According to the graphs in Model 1, there is variation in the body mass in the original popula-tion. Using your …
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Selection And Speciation Pogil Answer Key: The Role of Selection in Speciation Judith Masters, Selection and Speciation MacDonald, Natural Selection 71 Success Secrets - 71 Most Asked Questions on Natural Selection - What You Need to Know Kevin Shaffer,2014-10-01 The best Natural selection …
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Pogil Selection And Speciation Packet Answer Key Neil A. Campbell,Jane B. Reece,Fred W. Holtzclaw,Theresa Knapp Holtzclaw Selection and Speciation MacDonald, The Beak of the Finch Jonathan Weiner,2014-05-14 PULITZER PRIZE WINNER • A dramatic story of groundbreaking scientific research of …
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Selection And Speciation Pogil: The Role of Selection in Speciation Judith Masters, Adaptive Speciation Ulf Dieckmann,2004-09-02 First published in 2004 this book by internationally recognized leaders in the field clarifies how adaptive processes rather than geographic isolation can …
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Selection And Speciation Pogil: The Role of Selection in Speciation Judith Masters, Adaptive Speciation Ulf Dieckmann,2004-09-02 First published in 2004 this book by internationally recognized leaders in the field clarifies how adaptive processes rather than geographic isolation can …
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