Question

Q) Why is the coelom absent in diploblastic organisms?​

Answer 1

However in diploblastic animals, only the ectoderm and endoderm are present. The true body cavity orcoelom originates from the mesoderm and since this layer is absent in diploblastic animals, they lack coelom.

Answer 2

Coelom originate from the mesoderm and since this layer is absent in diploblastic organisms , they lack Coelom .

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