The longest period of prenatal development is the _______ period.

Which chromosomal pair is responsible for the sex of the baby?

In classical conditioning, a meaningful stimulus becomes linked to a neutral stimulus.

As we discussed in class, substances like cigarette smoke, alcohol, and mercury from fish are common ___________ and can lead to birth defects in developing fetuses. 

The single cell formed from the union of two gametes, a sperm and an ovum, is called a _____.

Behaviorism has also been referred to as “______ theory”

The first crisis of life, according to Erikson, is _____.

Epigenetics means that a trait is determined by: 

Most research conducted on humans cannot begin without the approval of the Institutional Review Board.

A _______ is a ranking between 0 and 100 that compares children of the same age in order to determine whether a particular baby is growing well.