Choose the correct answers from the alternatives given.
Coelomates that develop with the blastopore becoming the mouth are:

blastocoelomate

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protostomes

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deuterostomes

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triploblastic

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Solution

The correct option is B protostomes
The majority of coelomate invertebrates develop as protostomes ("first mouth") in which the oral end of the animal develops from the first developmental opening, the blastopore.
So, the correct option is, 'protostomes'.

Suggest Corrections

A. Swim bladder	1. Pouch
B. Amniotic egg	2. Animals where blastopore becomes anus
C. Marsupial have	3. An evolutionary development started in fish
D. Deuterostome	4. Reptiles, birds, mammals
	5. Organ of buoyancy
	6. Animals where blastopore becomes mouth