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Question : List five characterstic features of fishes. |
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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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