Refer to the figure showing a scanning electron micrograph of a chick embryo. In this image the overlying epidermal ectoderm has been removed, and we are looking down on the embryo from above.The tissue labeled "a" will soon form a(n) _______, which lies posterior to the structures labeled "b."

Question

Refer to the figure showing a scanning electron micrograph of a chick embryo.  In this image the overlying epidermal ectoderm has been removed, and we are looking down on the embryo from above.The tissue labeled "a" will soon form a(n) _______, which lies posterior to the structures labeled "b."

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The Answer of Refer to the figure showing a scanning electron micrograph of a chick embryo.  In this image the overlying epidermal ectoderm has been removed, and we are looking down on the embryo from above.The tissue labeled "a" will soon form a(n) _______, which lies posterior to the structures labeled "b."

Refer to the Figure Showing a Scanning Electron Micrograph of a Chick