Which of the following echinoderm remain attached to some objects at some stage of life, has no pedicellariae and tube feet are without suckers?

Asterias

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Antedon

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Ophiothrix

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Holothuria

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Solution

The correct option is B Antedon
Antedon is commonly known as sea lilies. They are attached to the sea bottom by a stalk. They don't have pedicellariae and tube feet are also without suckers. Hence, option B is correct.

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