Of matching pairs of chromosomes, 22 of 23 are called __________ and one pair consists of __________ chromosomes

For parents in earlier times who could not afford to keep their infants, which option offered the greatest likelihood that their children would survive?

a. abandonment b. servitude c. oblation d. placement in a foundling home

There is a tendency for an infant to react to a stimulus with generalized, whole-body movements at first, with responses becoming more specific and refined later. This trend is referred to as which of the following?

a. body-in-total trend b. cephalocaudal trend c. proximodistal trend d. gross-to-specific trend