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Which one of the following kinds of animals are triploblastic?

  1. A
    Corals
  2. B
    Flat worms
  3. C
    Sponges
  4. D
    Ctenophores

Solution & Step-by-step Explanation

Triploblastic animals have three germ layers: ectoderm, mesoderm, and endoderm. Flat worms (Platyhelminthes) are the first group in the animal kingdom to exhibit a triploblastic organization. Corals and Ctenophores are diploblastic, and Sponges lack true tissues.

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Which one of the following kinds of animals are triploblastic?
A
Corals
B
Flat worms
C
Sponges
D
Ctenophores

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Animal KingdomGerm LayersPlatyhelminthes

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