Compare and contrast how bacteria and viruses affect the body.
include one way that viruses and bacteria have in common in two ways they are different

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

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