Imagine Looking at a Slide Containing a Cross Section of a Frog

Multiple Choice

Imagine looking at a slide containing a cross section of a frog embryo that has just completed neurulation.If you begin your examination at the dorsal surface of the embryo and moved inward, you will see, in sequence,

A) epidermis, notochord, neural tube, and gut.
B) epidermis, neural tube, gut, and notochord.
C) neural tube, epidermis, notochord, and gut.
D) epidermis, neural tube, notochord, and gut.
E) notochord, neural tube, gut, and epidermis.