An open space within the gastrula is the
A) ectoderm.
B) mesoderm.
C) archenteron.
D) endoderm.
E) blastocoel wall.

Question

Quizplus · Accepted Answer

The open space within the gastrula is called the archenteron, which eventually becomes the digestive tract. The ectoderm, mesoderm, and endoderm are the three germ layers that form during gastrulation, and are not the open space itself. The blastocoel wall refers to the wall of the blastocoel, which is present during the blastula stage and is not present in the gastrula stage.

An Open Space Within the Gastrula Is the