0f the three primary germ layers, which is responsible for developing into nervous tissue?
a) endoderm
b) ectoderm
c) mesoderm
d) all three primary germ layers develop into some type of nervous tissue.

B) Ectoderm

Explanation:

In the third week of the embrionary development occurs the gastrulation, from this moment the ectoderm starts the formation of the ectoderm and at the same time the nervous system. The first structure in appear are the neural crest cells devoloping into the parasymphatic system, then the neuroectoderm shapes the central nervous system and finally the no neural ectoderm is devoloped generating sensory organs and ganglia

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