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प्रश्न
How is the body wall of coelenterates arranged?
टिप्पणी लिखिए
उत्तर
The body wall of coelenterate is diploblastic with two layers, namely the outer ectoderm and the inner endoderm, which are separated by a non-cellular jelly-like substance called mesoglea. Due to the presence of two layers in the body wall, they are said to be diploblastic animals.
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