A major difference between platyhelminthees and coelenterates is that platyhelminthes
a
are multicellular
b
have developed a mesoderm
c
reproduce sexually
d
reproduce asexually
Explanation
Correct Option
bNo explanation available
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Somysoph
5 years ago
Hydra has no mesoderm because its diploblastic I.e it's body is divided into endoderm and ectoderm while tapeworm has a developed mesoderm.
