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List five characteristic features of fishes. - Science

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प्रश्न

List five characteristic features of fishes.

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उत्तर

  1. Fishes are poikilothermic, whose internal temperature varies, considerably.
  2. The body has a covering of scales.
  3. Body muscles are arranged into segments called myotomes.
  4. The body is differentiated into head, trunk and tail.
  5. Respiration is done by 5 to7 pairs of gills, which are covered by an operculum or sometimes maybe naked.
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अध्याय 17: Animal Kingdom - Exercise [पृष्ठ २०९]

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सामाचीर कलवी Science [English] Class 9 TN Board
अध्याय 17 Animal Kingdom
Exercise | Q VI. 4. | पृष्ठ २०९
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