The outer germ layer that forms skin and nervous system is which?

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Multiple Choice

The outer germ layer that forms skin and nervous system is which?

Explanation:
Three primary germ layers form early in development, and the outer one becomes the skin and nervous system. The ectoderm gives rise to the epidermis of the skin and the nervous system, including the brain and spinal cord. The other layers have different fates: endoderm lines the gut and respiratory tracts, and mesoderm forms muscles, bones, blood vessels, and other tissues. A coelom is a body cavity that develops within the mesoderm, not a germ layer.

Three primary germ layers form early in development, and the outer one becomes the skin and nervous system. The ectoderm gives rise to the epidermis of the skin and the nervous system, including the brain and spinal cord. The other layers have different fates: endoderm lines the gut and respiratory tracts, and mesoderm forms muscles, bones, blood vessels, and other tissues. A coelom is a body cavity that develops within the mesoderm, not a germ layer.

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