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

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

Quizplus · Accepted Answer

The embryonic period is the period during which the major organs and structures of the organism first develop. This period lasts from implantation (around week 2) through the end of the 8th week of pregnancy. During this time, the embryo is very susceptible to environmental factors that can affect development.

Which of the Following Describes the Embryonic Period