Which group has triploblastic tissue organization?

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Multiple Choice

Which group has triploblastic tissue organization?

Explanation:
Triploblastic tissue organization means the embryo forms three germ layers—ectoderm, mesoderm, and endoderm—which give rise to the full set of tissues and organs. Both Rotifera and Nematoda develop from all three germ layers, so they are triploblastic. The presence of a pseudocoelom in these groups doesn’t change the number of germ layers; it’s about cavity type, not how many tissue layers arise during development. Therefore, the correct understanding is that both groups have triploblastic tissue organization.

Triploblastic tissue organization means the embryo forms three germ layers—ectoderm, mesoderm, and endoderm—which give rise to the full set of tissues and organs. Both Rotifera and Nematoda develop from all three germ layers, so they are triploblastic. The presence of a pseudocoelom in these groups doesn’t change the number of germ layers; it’s about cavity type, not how many tissue layers arise during development. Therefore, the correct understanding is that both groups have triploblastic tissue organization.

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