Fossils, , the preserved remains of organisms, Embryology, , the study of embryo development, Biochemistry, , analyzes the DNA or amino acid sequence of organisms and compares them to each other., Biogeography, , studies how organisms are distributed across the earth, Vestigial Structure, , left over structures that no longer have a purpose, Genetic variation, , the presence of differences in sequences of genes between individual organisms of a species, Adaptation, , A trait that makes an organisms better suited to it's environment, Charles Darwin, , The scientist who studies finches in the Galapagos Islands and came up with the theory of evolution.

Evolution 2

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