Question

what is germ layer how germ layer are useful for classification of animal​

Answer 1

Answer:

These germ layers are formed during gastrulation, developing into the animal's specialized tissues and organs. Animals develop either two or three embryonic germs layers. Radially-symmetrical animals are diploblasts, developing two germ layers: an inner layer (endoderm) and an outer layer (ectoderm).

Explanation:

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Answer 2

Answer:

All other animals are triploblastic, as endoderm and ectoderm interact to produce a third germ layer, called mesoderm. Together, the three germ layers will give rise to every organ in the body, from skin and hair to the digestive tract.

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