SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What class do cartilaginous fish belong to?
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Actinopterygii
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Chondrichthyes
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Myxini
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Sarcopterygii
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Explanation:
Detailed explanation-1: -Cartilaginous fish in the class Chondrichthyes include the subclass elasmobranchs (sharks, skates, and rays) and the older subclass of holocephalins (chimeras and elephant fish). Cartilaginous fish are the oldest extant jawed vertebrates or gnathostomes.
Detailed explanation-2: -Chondrichthyes is a class of fishes included in the division Gnathostomata as they have jaws.
Detailed explanation-3: -The 1, 000 or so species of cartilaginous fish are subdivided into two subclasses: the first includes sharks, rays, and skates; the second includes chimaera, sometimes called ghost sharks.
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