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Diversity in Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
MCQ
True coelom appeared for the first time in:
  • A
    Mollusca.
  • B
    Nematoda.
  • ✓
    Annelida.
  • D
    Arthropoda.
✓

Answer

Correct option: C.
Annelida.
Annelid animals are also bilaterally symmetrical and triploblastic, but in addition they have a true body cavity. This allows true organs to be packaged in the body structure.

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