Question

 HURRY I HAVE A TIME LIMIT!

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 1

Homology

Step-by-step 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.