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Question

The larva of cyclostomates is known as

A
Lamprey
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B
Amphioxus
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C
Ascridian
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D
Ammocoete
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Solution

The correct option is D Ammocoete
Cyclostomata is a group of chordates that comprises the living jawless fishes, the lampreys, and hagfishes. They lay numerous eggs, about 1mm in diameter and lodge in the gravel around the nest. The egg hatches into an ammocoete larva, which is a blind, worm-like animal that burrows in the slit.
So, the correct answer is option D.

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