Biology

Aires

19 February, 00:52

A bird's wing, a dolphin's flipper, and a cat's paw are homologous structures. What about these structures supports the theory of evolution?

a) They prove that the limbs of all land animals evolved from wings and fins.

b) They are good examples of vestigial structures.

c) They all have similar sizes and functions.

d) They are evidence that the animals had a common ancestor.