22. Evolutionary Theory_06

22. Evolutionary Theory_06 - Evolutionary Theory Objectives...

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Evolutionary Theory Objectives 1) What do biologists mean by evolution and what is the term for what most people think of as evolution? Biologists use the term to mean a change in the frequency of alleles in a population through time/generations - alleles are the form that the genes can take 2) What are the four components of the theory of Natural Selection? 3) What are three refinements to the theory of Natural Selection that help us explain how evolution occurs? Genetic drift Punctuated Equilibrium Genetic Evolution Statistical analysis of population genetics 4) What are four pieces of evidence that support the idea that species on the planet have evolved? Comparitave Anatomy Non-optimal design Artificial selection by humans Geographic distribution of organisms
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5) Know what is meant by “ontogeny recapitulates phylogeny” and the difference between recapitulation and neotony. Neotony-Juvenilization removal of adult stages 6) What is the difference between arithmetic growth and geometric (exponential)
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22. Evolutionary Theory_06 - Evolutionary Theory Objectives...

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