Research on laboratory rats suggests that hunger is controlled by the . A. Prefrontal cortex b. Hypothalamus c. Amygdala d. Cerebellum.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.