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Download Review Sheet Biology 2 Evolution (chapters 15, 16) Key Words
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Review Sheet Biology 2 Evolution (chapters 15, 16) Key Words Natural Selection mimicry Transitional fossil Vestigial Structures Homologous Structures Hox genes Speciation genetic drift gene flow Population Geographic Isolation Temporal Isolation Behavioral isolation Reproductive Isolation Gene pool Objectives 1) List the basic components of Darwin’s theory 2) What is meant by the phrase “last common ancestor?” 3) Explain how natural selection applies to numerous situations: Explain these two for practice: a) antibiotic (drug) resistant bacteria (see figure in the online notes) b) how a fish population can evolve to resemble the rocky bottom of a lake where it lives 4) Explain how each of the following can provide support for evolution: a) the fossil record (especially transitional fossils) b) homologous and vestigial structures c) embryological similarities d) biochemical (DNA, RNA, amino acid sequences) 5) Why are mutations important in the process of evolution? 6) Explain what Hox genes are and how they play a major role in the evolution of new body forms 7) Explain why an individual cannot evolve, but a population can. Use any example to illustrate your reasoning. 8) What is the gene pool of a population and what must happen to it in order for evolution to occur? 9) List and describe the factors that cause changes to the gene pool of a population 10) Explain the sequence of events that must happen in order for speciation to occur with a population. 11) Explain the difference between geographic, temporal, and behavioral isolation and how these can lead to reproductive isolation 12) Describe the taxonomic system for classifying organisms and be able recognize how closely related two organisms are based on their taxonomic similarities. 13) Look over the worksheet from class entitled “Chapter 20 Organizing Life.” Make sure you understand the information there. 14) Look over the first two video questions on the “Darwin’s Dangerous Idea” question sheet. The two questions are listed below in case you lost them: o What property of the HIV virus makes it impossible to treat with only one drug? o Use the idea of natural selection to explain how the HIV virus can survive HIV drug treatments.