Question

multiple choice question
despite knowing the potential effects of alcohol on her unborn fetus, laci chooses to drink anyway. the effects of alcohol may be especially harmful for an embryo at this stage. the susceptibility to harm during this stage of pregnancy is an example of a ______ period.
○ critical
○ sensitive
○ fetal
○ transition

Explanation:

A critical period in prenatal development is a stage where an organism is highly vulnerable to environmental factors like alcohol, with exposure causing permanent, severe harm. This matches the description of alcohol's especially harmful effects on an embryo at this stage of pregnancy.

Answer:

O critical