which phylums are exclusively marine
a) porifera and coelentrata
b)coelentrata and echinoderms
c) echinoderms and protochordata
d) echinoderms and porifera
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which phylums are exclusively marine
a) porifera and coelentrata
b)coelentrata and echinoderms
c) echinoderms and protochordata
d) echinoderms and porifera
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I think Porifera and Echinoderms
Option d is correct
I'm sure.
if you like my answer mark me as brainliest