Rasheed is memorizing his math multiplication tables by using flash cards. He does this frequently enough that eventually he does not need the visual stimulation of the cards to remember the information. Rasheed is taking advantage of __________.

Nutrients and oxygen are transferred from a mother to her developing fetus through the

A. Embryo. B. Ovaries. C. Teratogens. D. Placenta.

The owner of a store that buys and sells used books has just purchased one written by a behaviorist. The book is most likely about:

a. a set of learned principles of perception b. how environmental changes effect behavior c. a set of innate principles of perception d. natural selection and adaptation