List the various sources which provide evidences for the evolution.
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Anatomy. species may share similar physical features because the feature was present in a common ancestor. (homologous structures)
Molecular biology. DNA and the genetic code reflect the shared uncestry of life. DNA comparisons can show how related species are.
Biogeography. global distribution of organisms and the unique feature of island species reflect evolution and geological change.
Fossils. Fossils document the existence of now-extinct past species that are related to present-day species.
Direct observation. We can directly observe small-scale evolution in organisms with short lifecycle.
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