Question

Write a characters of porifera?

Answer 1

◆ Members of phylum porifera are generallly marine and mostly symmetrical.

◆ They have tissue level of organisation and primitive mulyicellular animals

◆ Body is mostly asymmetrical or may be radially symmetrical.

◆ The skeleton of the body consists of spicules and spongin fibres.

◆ Spongocoel and water canals are lined by choanocytes.

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