First slide

Classification of Animals

Question

Mark the correct set of phyla with organisms which are exclusively marine.

Easy

A

Ctenophora, Echinodermata, Porifera
B

Hemichordata, Echinodermata, Ctenophora
C

Echinodermata, Cnidaria, Urochordata
D

Cephalochordata, Mollusca, Ctenophora

Solution

Echinodermata, Ctenophora and Hemichordata are exclusively marine.
Porifera, Cnidaria and Mollusca include few fresh water animals also along with marine ones.
Urochordata and Cephalochordata are sub-phyla.

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