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Humans, cats, whales, and bats all have similar arm bones. What piece of evidence for common ancestry does this describe?

-homology
-embryology
-fossil record
-amino acids sequences

Answer :

EMBETHZEEGO

Answer:

Homology

Explanation:

Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor.

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