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Diversity in Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
Question
Write two characteristic features of the phylum the contains the first animals with complete alimentary canal.
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Answer

Nematodes are first animals to have complete alimentary canal.
  1. They are pseudo coelomate.
  2. They are cylindrical in body structure.

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