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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