Water vascular system is the characteris...

Water vascular system is the characteristic of which group of the following:
a) Porifera b) Ctenophora
c) Echinodermata d) Chordata

A

a. Porifera

B

b. Ctenophora

C

c. Echinodermata

D

d. Chordata?

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The correct Answer is:

A, C, D

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