1.WHY SHOULD WASTE BE REMOVED FROM OUR BODY ???

2.WHY DO ANIMALS ADAPT THEMSELVES TO THE HABBITAT IN WHICH THEY LIVE?

Wastes should be removed from our body to keep it free from toxins. Otherwise the deposition of wastes would release toxic substances into the blood which will get circulated.

Animals gradually adapt to the surroundings in which they live to survive. If they do not change with time, then they will be affected by the adverse conditions and may even die. 

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