What is correct about triploblastic animals?
Correct answer: A. They show bilateral symmetry
- A. They show bilateral symmetry
- B. They show both radial and bilateral symmetry
- C. They are all protostomes
- D. They are all deuterostomes
Explanation
Triploblastic animals are characterized by having three primary germ layers: ectoderm, mesoderm, and endoderm. These animals predominantly exhibit bilateral symmetry, which is a common feature across this group. However, there are exceptions, such as adult echinoderms, which show radial symmetry. The statement that triploblastic animals are all protostomes or all deuterostomes is incorrect, as the group includes both types of developmental patterns. Therefore, none of the provided options fully capture the characteristics of all triploblastic animals.
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