Autotrophs are found at the of a food pyramid. a. top b. middle c. base

The lower respiratory system includes the a. lungs. b. esophogus. c. larynx. d. pharynx

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.

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety