Question

Why are thorn of the Bougainvillea plant and a tendril of the Passiflora plant are considered as homologous organs?

Answer 1

Homologous organs:

1. The thorn of the Bougainvillea plant and a tendril of the Passiflora plant are considered homologous organs because they both help the plant in climbing and have the same basic structure.
2. Homologous organs are those organs that are similar in anatomy and morphology but dissimilar in function.
3. Homologous organs also indicate divergent evolution.
4. Other examples of homologous organs are the wings of bat and forelimbs of man and the leg of a dog and flipper of a dolphin.