According to evolutionary theory, why are so many people afraid of snakes?

A.) because they have learned by watching others react with fear to snakes
B.) because a fear of snakes helped our ancient ancestors survive
C.) because of daily life-threatening experiences
D.) because of unconscious memories of childhood experiences with snakes

According to research, which of the following statements reflecting the relationship between emotion and the prefrontal cortex is false? a.the prefrontal cortex to regulate one's emotional response. b. the prefrontal cortex is activated when processing information associated with stress. c. sensory input indicating emotion first enters the prefrontal cortex before traveling to the amygdala. d. the prefrontal cortex processes information associated with emotional pleasure.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.