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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms3 Marks
Question

Write down four characters of Osteichthyes and give two examples.

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Answer

  1. Osteichthyes are marine and fresh water fishes with partly or whole bony endoskeleton.
  2. Body is generally spindle shaped.
  3. Skin is either naked or covered with cycloid or ctenoid scales.
  4. Heart is two chambered containing one auricle and one ventricle.

Example: Labeo (Rohu) and Synchiropus splendidus (mandarin fish).

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