How do sea animals adapt themselves to live in seas?

How do kangaroo rats and desert plants adapt themselves to survive in their extreme habitat ? Explain .

How do the buds protect themselves?

Explain how birds have adapted themselves to an aerial mode of life.

How have the terrestrial organisms adapted themselves for conservation of water?

How do some animals survive in sea water ?

Why do tribes who live in high altitude of Himalayas experience discomfort in respiration? How do they get adapted to survive in such a situation?