Question

Only two germ layers are formed in....
1 Annelids

2 Cnidarians

3 Aschelmenthis

4 Platyhelmenthis

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Answer 1

Answer:

Cnidarians is the answer.

Explanation:

Some animals, like cnidarians, produce two germ layers (the ectoderm and endoderm) making them diploblastic. Other animals such as chordates produce a third layer (the mesoderm) between these two layers, making them triploblastic.

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