question_answer

What is homology? Explain by giving two examples. What does it indicate?

Answer:

Homology is the relation among the organs of different groups of organisms, that show similarity in the basic structure and embryonic development. They perform different functions.

For example,

· Thorns of Bougainvillea and tendrils of Curcurbita.

· Forelimbs of animals like whale, bats, cheetah.

· Homology in organs indicates common ancestry.