Question

reference of class pisces
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Answer 1

Answer:

Pisces, a class of vertebrates comprising the true fishes, have the jaws supported by a skeleton derived from primitive gill arches. ... They breathe by means of gills, which are carried on the outer side of the gill arches; and they generally have the skin protected by scales.

Explanation:

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Answer 2

Explanation:

Pisces, a class of vertebrates comprising the true fishes, have the jaws supported by a skeleton derived from primitive gill arches. ... They breathe by means of gills, which are carried on the outer side of the gill arches; and they generally have the skin protected by scales