What Are the Germ Layers, and from What Do They

question 29

Multiple Choice

What are the germ layers, and from what do they arise?

• A) The germ layers are an inner cell mass that flattens to form the embryonic disc.
• B) The germ layers are an inner cell mass that separates from the trophoblast to create the amniotic cavity.
• C) The germ layers are shoots sent out by the trophoblast to gain nourishment from the endometrium.
• D) The germ layers are three layers that arise from the embryonic disc and produce all the organs and tissues of the body.

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