Which of the following describes the embryonic period?
A) the period during which the zygote moves down to the uterus and begins to implant in the lining
B) the period during which the major organs and structures of the organism first develop
C) the period during which the umbilical cord develops
D) the period during which tremendous growth occurs and the organs continue to develop and become functional

Question

Quizplus · Accepted Answer

The embryonic period is the period during which the major organs and structures of the organism first develop. It lasts from implantation (about 2 weeks after fertilization) to the end of the eighth week after fertilization. During this time, the basic foundations of the body are formed, including the nervous system, heart, and limbs.

Which of the Following Describes the Embryonic Period