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In which phylum, the coelom is formed by fusion of gut pouches during embryonic stage?

1. Platyhelminthes
2. Aschelminthes
3. Annelida
4. Hemichordata

Correct answer: Hemichordata

Solution

In Hemichordata, the coelom develops by enterocoely, where pouches from the embryonic gut fuse and separate to form the body cavity. This is the defining coelom-formation pattern among the options.

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