Living things responding to external stimuli is an example of

Living things respond to stimuli from their environment. Weather is an example of an external stimulus. Hot weather causes sweating and cold weather causes shivering. Light and water are external stimuli for plant growth.

Explanation:

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

a bird that nests only in a particular tree species.