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.

They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesophyl sandwiched between two thin layers of cells. Porifera

Besides supporting sponge cells, spicules can help larvae stay buoyant while in the plankton or reach the bottom at settlement, enhance reproduction success, or catch prey.

Therefore, The function of spicules in sponges is that they provide protection from predators Hence, Option (3) is correct

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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.

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What are sponges ?

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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.