The first days and weeks after conception (the germinal and embryonic periods) are _____ for body formation.
A) sensitive
B) critical
C) crucial
D) imperative

Question

Quizplus · Accepted Answer

The term "critical period" is often used to describe the first few weeks of embryonic development, during which time the major organ systems are forming. This period is sensitive to environmental influences, and any disruptions during this time can have serious consequences for fetal development. Therefore, the best choice is B) critical.

The First Days and Weeks After Conception (The Germinal and Embryonic