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Natalija [7]
3 years ago
15

What are demospongi and sclerospongi

Biology
1 answer:
ohaa [14]3 years ago
7 0

Answer:

demospongi and sclerospongi are two classes of sponge

Explanation:

Sponges have/are:

Body with cells arranged around pores, canals and chambers for the passage of water.

Skeletal structure of spicules and/or spongin.

All aquatic, mainly marine.

Filter feeders.

Sessile adults; sessile, planktonic larvae.

Sexual and asexual reproduction.

Gas exchange is by diffusion.

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