Question

What is the function of spikes in organisms classified in the phylum porifera .

Answer 1

Answer:

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Explanation:

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The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea (calcareous sponges). Sponges are characterized by the possession of a feeding system unique among animals.

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Answer 2

Explanation:

As we've seen, most sponges are supported by small bone-like spicules (usually tiny pointed structures made of calcium carbonate or silica) in the mesohyl. Spicules provide support for the body of the sponge, and may also deter predation

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