Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner. They may be influenced by physiological drives or by external stimuli.
State bounded on the north by South Dakota, on the east by Iowa and Missouri, on the south by Kansas and Colorado, and on the west by Colorado and Wyoming.
D002657
Child Development
The continuous sequential physiological and psychological maturing of an individual from birth up to but not including ADOLESCENCE.