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Question

Are all bilateral animals triploblastic?


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Solution

Bilateral animals:

  1. Animals are classified on the basis of body symmetry.
  2. In bilateral animals, the body can be divided into two identical halves in one plane. Examples include annelids, arthropods, and molluscs.
  3. If a developing embryo has three germ layers (ectoderm, endoderm, and mesoderm), the animal is called triploblastic.
  4. All bilateral animals are triploblastic.

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