Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
Correct answer: A. Aschelminthes (round worms)
- A. Aschelminthes (round worms)
- B. Ctenophores
- C. Sponges
- D. Coelenterates (cnidarians)
Explanation
Aschelminthes is a superphylum consisting of pseudocoelomates. These are mostly aquatic, free living or parasitic. Their body is slender, bilaterally symmetrical and triploblastic.
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