Answer:
It serves a protective function against bacteria and the wearing away of certain organs by lining various structures. Also prevent water loss.
Explanation:
I think the answer is (4) using large amounts of some materials that cannot be renewed :))
i hope this be helpful
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Coz they need food to live long and so they r big in size containing large amount of food. if they'll divide to form more no. of gametes then their food content will decrease and so theyll die
I would say b, that would only make sense to me cause it couldn’t be your stomach or skeletal
