Which of the following is a feature of gastrulation in both birds and frogs?
A) Three germ layers are established.
B) Cells from the surface of the blastocyst migrate to form the gut.
C) The neural tube forms from the hypoblast.
D) Gastrulation occurs as some cells of the epiblast invaginate to form endoderm and mesoderm.
E) All of the above

Question

Quizplus · Accepted Answer

Both birds and frogs establish three germ layers during gastrulation. The other options are not features of gastrulation in both birds and frogs.

Which of the Following Is a Feature of Gastrulation in Both