Question

A characteristic feature of Echinoderms is:
(a)Water vascular system
(b)Canal system
(c)Tracheal system
(d)None of them​

Answer 1

$\huge\underline{{Question:}}$

A characteristic feature of Echinoderms is:

(a) Water vascular system

(b) Canal system

(c) Tracheal system

(d) None of them

$\huge\underline{{Answer:}}$

(a) Water vascular system.

Answer 2

Answer:

water vascular system feature of echinoderms