A scientist wants to study snails in an ecosystem. The snails move slowly and are incapable of traveling long distances. Which method would be most effective? Which method would be least effective? Use the information you put in the chart to explain your reasoning.​

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

silty loam

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stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

the answer would be b.:

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bioteacher101