The correct answer is Envelope
It Is The Melanoma Gene .
Answer:
Claws. These strong, curved claws can tear flesh and inflict fearsome wounds. Water Monitors eat only meat and sometimes tackle prey nearly their own size. Claws may allow the Arboreal taxa to physically separate themselves from the larger monitors of the savannah by living in trees, eliminating them as competition and potential predators.
Explanation:
It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.