Your lungs are constantly exchanging oxygen and carbon dioxide between your body cells and your blood cells by diffusion. as you exercise intensely, your body temperature increases slightly. how does this affect the process of diffusion? a. the rate of diffusion increases due to your slightly higher body temperature. b. the rate of diffusion decreases due to your slightly higher body temperature. c. the rate of diffusion is unaffected by changes in temperature. d. diffusion stops completely during periods of over-exertion.

The number of living organisms in a particular area is

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.