Test 1 Notes - Lines of Evidence for Evolution

Test 1 Notes - Lines of Evidence for Evolution - Lines of...

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Lines of Evidence for Evolution Homology Biogeography Fossil record Homology Underlying similarity, different function Homologous structures Imperfect structures (knees and backs of upright walkers; human pregnancy) Molecular homologies we share DNA and molecules with our ancestors Lines of evidence: Homology Homologous structures through development Vestigial organs Top 10 Useless Limbs (and Other Vestigial Organs)
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Unformatted text preview: Lines of Evidence: Biogeography Distribution in time and space Geography Lines of evidence: Fossils Fossil evidence Snapshots of past - no longer with us Intermediate forms help us to see the links between past and present forms: whale nostrils moving form front of skull to middle of skull, to top of skull...
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