The bat and human are two very different species. Kevin is trying to explain to his family how similar humans and bats really are. Which statement would NOT be a good argument for common ancestry?
A) they both have hair
B) the forelimbs of both animals have similar anatomy
C) they share similar DNA structures of the hemoglobin protein
D) when comparing their embryos at the 1 week stage, they both have a tail and look strikingly similar