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Biology · ANIMAL KINGDOM

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According to the comparative salient features of animal phyla, which of the following correctly pairs a phylum possessing an incomplete digestive system with radial symmetry, and a phylum possessing a complete digestive system with a pseudocoelomate body plan?

  1. Coelenterata and Aschelminthes respectively.
  2. Ctenophora and Platyhelminthes respectively.
  3. Aschelminthes and Echinodermata respectively.
  4. Platyhelminthes and Annelida respectively.

Correct answer · Option 1

Coelenterata and Aschelminthes respectively.

Explanation

Coelenterata (Cnidaria) has radial symmetry and an incomplete digestive system. Aschelminthes has a pseudocoelomate body cavity and a complete digestive system.

Related questions

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