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Evolution Review

Evolution Review. Chapters 22-25. Chapter 22. Decent with Modification Natural selection Evidence that supports Natural Selection Direct observations Fossils Homology Biogeography. Chapter 22. Artificial selection Paleontology Vestigial structures Convergent evolution. Chapter 23.

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Evolution Review

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  1. Evolution Review Chapters 22-25

  2. Chapter 22 • Decent with Modification • Natural selection • Evidence that supports Natural Selection • Direct observations • Fossils • Homology • Biogeography

  3. Chapter 22 • Artificial selection • Paleontology • Vestigial structures • Convergent evolution

  4. Chapter 23 • Hardy-Weinberg equilibrium • Mutation • Nonrandom mating • Genetic drift • Founders effect • Bottleneck • Gene flow • Natural selection

  5. Chapter 23 • If 80% of the alleles are dominant what is the percent • Recessive phenotype • 4% • Hybrid • 32%

  6. Chapter 23 • Relative fitness • Directional selection • Disruptive selection • Stabilizing selection • Sexual dimorphism • Sexual selection • Heterozygote advantage

  7. Chapter 24 • Speciation • Microevolution • Macroevolution • Species • Prezygotic • Ecological, behavioral, mechanical, temporal, gamete isolation

  8. Chapter 24 • Post-zygotic barriers • Sterile • Reduced hybrid viability • Weak

  9. Chapter 24 • Allopatric speciation • Sympatric speciation • Polyploidy • Auto, allo

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