During embryonic development,a process called transverse folding creates the
A)digestive and respiratory tracts.
B)pelvic girdle and lower appendages.
C)cylindrical trunk or torso region of the embryo.
D)primary germ layers.
E)neural tube.

Question

Quizplus · Accepted Answer

Transverse folding is responsible for creating the cylindrical trunk or torso region of the embryo, which includes the thorax and abdomen.

Answer: A
 While transverse folding is not responsible for creating the entire digestive and respiratory tracts, it does contribute to their formation during embryonic development.

Therefore, both choices C and A could be considered the best answer(s).

During Embryonic Development,a Process Called Transverse Folding Creates the