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Evolution (Evolution of Populations (Genetic variation (Individuals within…
Evolution
Evolution of Populations
Genetic variation
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Can be measured that the molecular level, little results in phenotypic variation
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Darwinian view of life
Before Darwin
Aristotle- Species fixed/unchanging, scala naturae arrangement
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Evidence
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Homology
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Homologous structures are similar but in different species (e.g. skeletal structures in all mammals)
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Biogeography
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Geographic distributions can be influenced by continental drift (Earth's landmasses started with Pangaea)
Evolution & continental drift understanding helps predict where fossils of different organisms might be found
Species that are endemic usually closely related to species from nearest mainland according to Darwin
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