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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms3 Marks
Question
Write down four characteristics of Ctenophora and give two examples.
✓

Answer

  1. Transparent body with biradial symmetry.
  2. Two tentacles and eight longitudinal rows of ciliary comb-plates for locomotion are present.
  3. Marine, solitary and free-swimming.
  4. No polymorphism or dimorphism occurs.
Example: Pleurobrachia and Cestum.

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