The ________, which contains both maternal and embryonic tissue, develops in the uterus to allow oxygen, nourishment, and wastes to pass between the mother and the embryo.

Which of the following is necessary for proper depth perception?

Heritability refers to the relative influence of heredity and environment in a particular individual.

The American Academy of Pediatrics Section on Breastfeeding (2005) recommends that babies be exclusively breast-fed for ________ because breast-feeding has economic as well as health benefits.

Which of the following is true about the placenta?

Recent research on the benefits for volunteers and those who receive volunteer services suggest that

Which of the following characteristics is involved in sibling relationships?

How effective are family cohesiveness and family communication at increasing adolescent self-esteem?

A school’s moral atmosphere is created by

Kohlberg argued that ________ has ________ effects on moral reasoning.