Biology, 20.09.2019 01:00 Arealbot

Members of the porifera phylum have
a. no skeleton.
b. an exoskeleton.
c. an endoskeleton.
d. either an exoskeleton or endoskeleton, depending on the species.

Answers: 1

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Members of the porifera phylum have
a. no skeleton.
b. an exoskeleton.
c. an endos...