Which of the following statements is incorrect?

Moderate

A

The body of platyhelminthes bears suckers and most of them are endoparasites.
B

The sedentary form of colenterata is polyp.
C

Closed circulatory system, respiratory pigment dissolved in plasma and setae are the unique features of annelida
D

Spiny skin, closed circulatory system and developed sense organs are present in Echinodermata.

Solution

Spiny bodies echinoderms have open circulatory system.

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