Psychology 101 Module 9 HW – Flashcards

A preference for our mother's voice over our father's voice has been detected as early as

The heart begins to beat during the ________ period of prenatal development.

Alcohol may cause fetal damage by leaving chemical marks on DNA that switch genes abnormally on or off. This best illustrates

Newborns have been observed to show the greatest visual interest in a

With repeated presentations of a bright red toy, 2-month-old Anita began to respond with less visual attention to the toy. Her decreasing responsiveness best illustrates

Immediately after birth, newborns prefer their own mother's voice to that of another woman's voice. This is best explained by the interaction of heredity and environment that takes place inside the zygote.

Four weeks after having been exposed to a vibrating, honking device placed on its mother's abdomen, a fetus demonstrates

Human sperm cells ________ than egg cells.

The placenta develops from the outer cells of the

Distinguishing between very gradual and very abrupt developmental changes over the life span is most central to the major issue of