What is the function of spicules in sponges?
1). they draw food and oxygen into the body.
2). they filter and digest food.
3). they provide protection from predators.
4). they produce sperm and eggs.

Your answer will be 3) They provide protection from predators.

The answer is 3) They provide protection from predators

Explanation: I TOOK THE TEST

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

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