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evolution

Cambell biology 7th edition introduction notes

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BIO 1003 and BIO 1015L Welcome! Helene Eisenman Barbour contact info: [email protected] Office 506B Tuesdays 2:00 ? 3:00 or by appointment 646-660-6252 Organization of the Courses BIO 1003 Laboratory and lecture are combined into one course. You will receive one grade. BIO 1015L/1016 (Pathways) Laboratory and lecture are two courses. Mandatory recitation sections for lecture. You will receive two separate grades. Important Information Attendance Behavior Academic Integrity Electronic Blackboard & Email Required Materials Laboratory Study Habits You must attend class on exam days!!!! 1. In the event of an emergency: a) You must notify me by phone/email immediately b) You must provide documentation of the emergency

Living In The Environment 16th Edition, Chapter 4 Outline

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Chapter 4: Biodiversity and Evolution 4-1 What is biodiversity and why is it important? Biodiversity is a Crucial Part of the Earth?s Natural Capital Biological Diversity (Biodiversity) is the variety of the earth?s species. The genes they contain, the ecosystem in which they live, and the ecosystem processes such as energy flow nutrient cycling that sustain all life. Genetic Diversity enables life on earth to adapt and survive dramatic environmental changes. Ecosystem diversity are storehouses of genetic and species diversity Functional diversity is the variety of processes such as matter cycling and energy flow taking place within ecosystems. 4-2 Where Do Species Come From? Biological Evolution by Natural Selection Explains How Life Changes Over Time

Biology Unit 1 2013

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BIOLOGY Unit 1: Biology and Science Science- an iterative process, ?tentative? truth, a way of asking questions and explaining observations Hypothesis?????????????....?.Theory?????????????.?.Law Specific????.????.????.????.????.????.????.?????General Less Certain???????.????.????.?????..????????More Certain Living vs. non Characteristics of living things: Reproduce (crystals + fire) Response to environment (fire) Use energy (fire) Transport (fire) Organized (crystals are stacked-easy) OR Complex (human body) Drawing the Line When chemicals ?care? enough to maintain their activities (homeostasis) to separate and control a piece of their air condition a piece of Columbus (one home) Chaos Biodiversity Organisms & ecosystems Can be viewed as information systems Store information

biology 1

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Key Concepts ? Inherited traits are affected by genes. ? Genes are composed of the chemical deoxyribonucleic acid (DNA). ? DNA replicates to form (usually identical) copies of itself. ? DNA contains a code specifying what types of enzymes and other proteins are made in cells. ? DNA occasionally mutates, and the mutant forms specify altered proteins. ? A mutant enzyme is an ?inborn error of metabolism? that blocks one step in a bio- chemical pathway for the metabolism of small molecules. ? Traits are affected by environment as well as by genes. ? Organisms change genetically through generations in the process of biological evolution. ? Because of their common descent, organisms share many features of their genetics and biochemistry. Key Terms

Chapter 1 PPT (7TH EDITION)

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Inquiring About the World of Life Biology is the science of life Traditionally divided into three divisions: - Botany - Zoology (NOT Zoo-ology!) - Microbiology 3 Modern Biology Many diverse subdivisions, such as: - Wildlife Biology - Cellular Biology - Anatomy & Physiology - Ecology - Genetics - Evolutionary Biology - Molecular Biology - Developmental Biology - Immunology - Behavioral Ecology - Marine Biology 4 - asking questions and seeking science-based answers The central activity of biology: scientific inquiry Biologists ask questions such as: how a single cell develops into an organism - how the human mind works - how living things interact in communities Biology is therefore a quest ? an ongoing inquiry about the nature of life

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