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Type: Multiple-Choice
Category: Zoology
Level: Grade 6
Author: aglotz
Last Modified: 6 years ago

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Zoology Question

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Grade 6 Zoology

The first phyla to have two body openings (mouth and anus) is
  1. Cnidaria.
  2. Porifera.
  3. Platyhelminthes.
  4. Nematoda.