Which of the Following Accurately Describes the Embryonic Period

Multiple Choice

Which of the following accurately 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