4 years ago

1. What special structures are specific to the phylums of Porifera, Cnidaria, Ctenophora, and Platyhelminthes?

Biology

1 answer:

Kitty [74]4 years ago

7 0

The special structures of the following phylums:

Porifera: members of this phylum have special collar cells. They have cellular level of body organisation.
Cnidaria: members have stinging cells on the tentacles surrounding mouth.
Ctenophora: members have comb like ciliary plates for swimming.
Platyhelminthes: For the first in animal kingdom, members of this phylum there is development of sensory and nervous tissue in the head region (cephalization)

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