1.

Which of the following is correctly matched?(a) Radial symmetry Coelenterates(b) Coelomates9.(c) Metamerism(d) TriploblasticAschelminthesMolluscsSponges

Answer»

Platyhelminthes, are an obsolete phylum of pseudocoelomate.

seasponges, have one germ layer.

Metameric segmentation is absent in platyhelminthes, Echinodermata, Mollusca

Allcoelenterates areaquatic, mostly marine. The bodyform isradially symmetrical, diploblastic and does not havea coelom.

Hence, option (a) is correct.



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