Question

which of the appendage bone structures above are homologous to one another and provide the best evidence of a common ancestor? select three correct answers.

Explanation:

Homologous structures have similar anatomical features and suggest a common - ancestor. Human arm, whale flipper, and bat wing have similar bone - arrangements despite different functions. They are homologous. Butterfly wing and shark fin are not homologous to these as they have different underlying anatomical structures.

Answer:

Human arm, Whale flipper, Bat wing