Where did they spend most of their lives?

Q. Arboreal animals spend most of their lives on .

Q. Where did the Kurumas and Kurubas live? What did they rear?

Q. Penguins are arboreal birds as they spend most of their time on trees.

Q. Where do the brackish water fishes spend most of their life? Give the example.

Q. Rahul was trying to know the lives of his grandparents and found out that they used to live in a small village near a river. He wondered why most people in the past did not live in cities. Where all do you think people in the past could have lived?