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11 grade biology others

Ammocoete larva belongs toA. PetromyzonB. MyxineC. AmphioxusD. Balanoglossus

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1 Year agoGrade
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1 Year ago

The correct answer is A. Petromyzon.

Ammocoete larva refers to the larval stage of lampreys, which are jawless fish belonging to the order Petromyzontiformes. The ammocoete larva is an elongated, eel-like creature that spends several years in freshwater environments before transforming into an adult lamprey. During this larval stage, lampreys are filter feeders and primarily consume microscopic organisms. Once they reach maturity, they undergo a metamorphosis and become parasitic, attaching themselves to other fish or marine mammals to feed on their blood and body fluids.