Question

Q.2 When is the coelom is formed in
multicellular animals? From what?​

Answer 1

Explanation:

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Answer 2

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Protostomes. Let's first take a closer look at protostomes. Protostomes form a coelom by the use of a 'blind pouch' that appears when the organism's digestive tract is beginning to develop. It occurs when the mesoderm, or middle layer of the three basic layers of tissue, begins to split, which develops into the coelom.