Question

what forms the skeleton of euspongia​

Answer 1

Answer:

So, the correct answer is 'Spongin fibers'. Note: Spongin fibers are the modified collagen proteins that form the fibrous skeleton of most of the organisms of phylum Porifera (sponges). They are secreted by sponge cells called spongocytes.

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Answer 2

Answer:

Spongin fibers

Explanation:

So, the correct answer is 'Spongin fibers'. Note: Spongin fibers are the modified collagen proteins that form the fibrous skeleton of most of the organisms of phylum Porifera (sponges). They are secreted by sponge cells called spongocytes