Question

Whales have what seem like remnants of a pelvis and femur, as shown here. mc013-1.jpg What are these structures an example of?

transitional structures
analogous structures
vestigial structures
adapted structures

Answer 1

vestigial structures

Answer 2

Answer : Option C) vestigial structures.

Explanation : In the example of whales which is displaying the remnants of the pelvis and femur bones it seems to be the example of vestigial structures.

As vestigial structures are those anatomical feature which no longer seems to have a purpose in the current form of an organism of the given species.