Question

Pelvic bones in whales are an example of
structures.

Answer 1

The pelvic bones of whales are “one of the classic examples of a vestigial structure,” said Otárola-Castillo. “But what we found was that the shapes of these bones are highly associated with the mating systems of these whales and dolphins — species that are more promiscuous have more-complex-shaped pelves.”

Answer 2

vestigial

Step-by-step explanation:

the pelvic bones in whales are a classic example of vestigial structures according to Otárola-Castillo of the Harvard gazette.