Apfel and Seitz found that the helping arrangement of parental replacement occurred in about _________ percent of the single-parent, African American families they studied

The medulla, pons, and cerebellum are all part of the:

a. midbrain. b. hindbrain. c. spinal cord. d. forebrain.

Which of the following processes is a way in which alcohol can damage a fetus?

A) Alcohol can increase cell division. B) Alcohol can kill fetal cells. C) Alcohol can raise IQ. D) Alcohol can deprive the fetus of oxygen.