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Cnidarians do not have spicules. Spicules are commonly found in sponges and it is a simply a skeleton which has very tiny splinters that look like needles.

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What are the functions of spicules in sponges?

Spicules provide structural support.


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Spicules, like our skeleton, give the sponge structure. Without spicules, Sponge Bob would be Sponge Blob.


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What type of animals has collar cells and osculum and spicules?

Sponges have collar cells, osculum, and spicules.


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