Why is the phylum porifera classified under parazoa

Biology

1 answer:

suter [353]3 years ago

4 0

Answer:

This is the only phylum of the animal subkingdom Parazoa and represents the least evolutionarily advanced group of the animal kingdom. ... Sponges are the only animals that lack tissues with mass of cell embedded in gelatinous matrix.

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Why is the phylum porifera classified under parazoa​

Why is the phylum porifera classified under parazoa