Give a brief summary of each theory - Instinct Theory
-Drive-Reducation Theory
-Arousal Theory
Incentive Theory

instinct theory: According to the instinct theory of motivation, all organisms are born with innate biological tendencies that help them survive. This theory suggests that instincts drive all behaviors. Instincts are goal-directed and innate patterns of behavior that are not the result of learning or experience.

Drive-Reduction Theory: drive reduction theory is a type of motivational theory. Drive Reduction Theory, developed by Clark Hull in 1943, was a major theory for motivation in the Behaviorist tradition

Arousal Theory: The arousal theory of motivation suggests that people are driven to perform actions in order to maintain an optimum level of physiological arousal. Some people may require a higher level of arousal, which might motivate them to seek out exciting and stimulating activities.

Incentive Theory: The incentive theory of motivation suggests that people are motivated by a drive for incentives and reinforcement. It also proposes that people behave in a way that they believe will result in a reward and avoid actions that may entail punishment.

like body hair ? if its that its beacuse it keeps you warm from the cold or if u mean hair from your head for you to look good

explanation:

a mother eats twice as much to support her growing fetus

limiting sugar intake in a mother with gestational diabetes, switching from diving to swimming.   depending on whether the patient is normal weight, over weight or gain will differ depending on that.