Attempting to alleviate stress directly by changing the stressor is known as a. biofeedback. b. psychoneuroimmunology. c. problem-focused coping. d. the feel-good, do-good phenomenon.

For 50 points populations within ecosystems can be separated into categories—producers, consumers, and decomposers. these categories represent a. the fossil records of organisms. b. the reproductive methods of organisms. c. the body plans of organisms. d. the functions that organisms serve.