In vertebrates,the embryonic ____ is replaced by tissues that form a vertebral column.
A)notochord
B)nerve cord
C)pharyngeal pouches
D)gill clefts
E)deuterostomes

Question

Quizplus · Accepted Answer

The notochord is a flexible rod-like structure that is present in the embryonic stage of vertebrates. It runs along the dorsal side of the embryo and serves as a support structure. However, in most vertebrates, the notochord is eventually replaced by tissues that form a vertebral column, which is the defining feature of this group of animals.

In Vertebrates,the Embryonic ____ Is Replaced by Tissues That Form