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Question : List five characterstic features of fishes.

Answer»

Solution :(i) Fishes are poikilothermic, whose internal temperatures varies, CONSIDERABLY.
(II) The body has a covering of scales.
(iii) Body muscles are arranged into segments called myotomes.
(IV) The body is differentiated into head, trunk and tail.
(v) RESPIRATION is DONE by 5 to 7 pairs of gills, which are covered by an operculum or sometimes may be naked.


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