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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms1 Mark
Question

Arthropods are characterised by:

  1. Jointed legs.
  2. Jointed appendages.
  3. Chitinous exoskeleton.
  4. All the above.
✓

Answer

  1. All the above.

Explanation:

This is the largest phylum of Animalia which includes insects. They have organ-system level of organisation. They are bilaterally symmetrical, triploblastic, segmented and coelomate animals. The body of arthropods is covered by chitinous exoskeleton. They have jointed appendages (arthros-joint, poda-appendages).

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