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5 Cards in this Set

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Biochemistry:
similarities in dna and rna help to determine relationships between species
Similarities in early development:
similarities suggest evolutionary relationship
Vestigial structures:
some homologous structures no longer serve important function. Reduced in size.
Homologous body structures:
structure features with a common evolutionary origin
Fossil record:

Geographical distribution of living species:
Fossil record: fossil evidence in different layers of rock showed gradual change over time.

Geographical distribution of living species: Similar organisms in different locations were a product of different lives of evolutionary descent.