Biology Study Guide - Bio3 Lecture Final Exam Study Guide...

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Bio3: Lecture Final Exam Study Guide – Fall 2006 Topics: The final exam is cumulative and will include all the lecture topics for the entire semester, but the exam emphasis will be on the lecture topics for chapters 13, 17, 34 and 38. - Darwinian evolution - evolutionary processes - conditions for natural selection - characteristics of the various aquatic and terrestrial biomes - the different levels of biodiversity - plant evolution and diversity - threats to biodiversity - goals and approaches of conservation biology Study Questions: 1. Charles Lyell and James Hutton both proposed the idea that geologic processes occur slowly and that small changes can accumulate over time to lead to big changes. How did this idea influence Darwin’s thoughts about the mechanism by which evolution occurred? Go through your notes and be able to answer the question above with all the other people whose ideas influenced Darwin. 2. List and explain the 4 factors that can cause evolution to occur. 3. What is the inference Darwin reached regarding populations based on the following three observations? Observation 1: All species have the potential to overproduce offspring. Observation 2: Population sizes tend to remain stable Observation 3: Environmental resources are limited 4. Which of the following is NOT one of the key points proposed by Darwin regarding natural selection? a. More offspring are produced than can be supported by the environment. b. The fittest organisms are more likely to survive and reproduce. c. Individuals vary within populations with respect to their phenotypic traits. d. Changes that occur during the lifetime of an organism are passed onto its offspring. e. A lot of the variation seen in organisms is heritable. 5. Being “fit” in an evolutionary context refers to: a. living longer than most individuals. b. growing stronger than most individuals. c. producing more surviving offspring than other individuals. d. avoiding illness and death during childhood. e. gaining access to more resources than other individuals.
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