In frogs and other vertebrates,the entire ner | vedclass

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(A) In all vertebrates,including frogs,the nervous system originates from the $Ectoderm$. During embryonic development,the neural plate forms from the

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Ectoderm

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(A) In all vertebrates,including frogs,the nervous system originates from the $Ectoderm$. During embryonic development,the neural plate forms from the ectoderm,which then folds to form the neural tube. This neural tube eventually develops into the central nervous system (brain and spinal cord),while the neural crest cells,also derived from the ectoderm,give rise to the peripheral nervous system,including the ganglia.

In frogs and other vertebrates,the entire nervous system,including the ganglia,is derived from which germ layer?

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