Question

The structural similarities between the flippers of whales and the arms of human are used to show that

Answer 1

flippers of whales and the arms of human are use to swim in water

Answer 2

The structural similarities between the flippers of whales and the arms of humans are used to show that the whales and human species share a common ancestry.

Explanation:

1. flippers of whales and the arms of humans are homologous organs.
2. Homologous organs are defined as those organs of different species that are similar in structure but differ in their functions.