Which of the following classes of Echinodermata does not include free-moving echinoderms?
(a) Asteroidea
(b) Holothuroidea
(c) Echinoidea
(d) Crinoidea
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Which of the following classes of Echinodermata does not include free-moving echinoderms?
(a) Asteroidea
(b) Holothuroidea
(c) Echinoidea
(d) Crinoidea
Which of the following classes of Echinodermata does not include free-moving echinoderms?
(a) Asteroidea
(b) Holothuroidea
(c) Echinoidea
(d) Crinoidea
Answer is : (d) Crinoidea
Crinoidea is a class of stalked and sedentary echinoderms.