Study Guid, King, Evoluton Especially by Nat Sel #2

Study Guid, King, Evoluton Especially by Nat Sel #2 - Part...

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Part of STUDY GUIDE FOR EXAM 1 (and comprehensive final): EVOLUTION ESPECIALLY BY NATURAL SELECTION For each pair, choose which reflects biology's current view of species and their origins: 1) stasis or change; =Change 2) spp appeared over short time (few thous yrs) or long time (billions yrs); =Species appeared over long time (billions yrs) 3) since then no new spp have come to be or new spp arise and continue to arise from old spp; =New species arise and continue to aries from old species 4) spp are "perfect" at their origin or as environments change, spp change, becoming suited to their environment; =As environments change, species change, becoming suited to their environment 5) Each spp exists for a purpose, for humans or a species exists if it can survive and reproduce in its environment, otherwise it goes extinct. =A species exists if it can survive and reproduce in its environment, otherwise it goes extinct. Evolution - Change in time in proportion of different Genotypes Genotype versus Phenotype Genotype: DNA sequence for a given trait, An individual’s Genotype can NOT change, so individuals can NOT evolve. Phenotype: what you see, = Genotype + environment
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This note was uploaded on 04/08/2008 for the course BIOS 205 & 209 taught by Professor B.king&gasser during the Spring '08 term at Northern Illinois University.

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Study Guid, King, Evoluton Especially by Nat Sel #2 - Part...

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