Question

compare between phylum choriphera,cylentrata and platae helmenthis

Answer 1

actually it is _porifera_

they are spongy cell,sessile, undifferentiated, having bud,oscia,spongocoel to enter the water.
e.g.sycon

_coelenterata_(cnideria)

they have nematocyst, bilateral symmetry,triploblastic,having medusa and polyp,form planula larva.e.g. Adamsia,physalia.

_platyhelminthes_

their body are elongated, presence of flame cells,pseudocoelomate, bilateral symmetry, triploblastic,planaria of this group have ability of regeneration.
e.g.flatworm,liver fluke,planaria.

I hope this will help you.

I expect the BRAINLIEST..

thanks jazakallah.