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Question

To which class of Annelida you can correlate this?

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A
Polycheata
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B
Oligocheata
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C
Hirudinea
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D
None of the above
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Solution

The correct option is A Polycheata
Trochophore larva are small and free-swimming larva. They have several bands of cilia over the body. The ciliary waving helps in movement and swimming. This is a characteristic of marine annelids. Trochophores are of different shapes like spherical and pear shaped. This type of larvae is a characteristic of Polychaete annelids.
Thus, the correct answer is option A.

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