Ms. Imfit, the school's physical education teacher, wants to test the effect of consuming a high level of sugar on her 6th grader's reaction times. She has one group of students eat 2 large chocolate bars and another eat nothing at all
15 minutes before competing in a reaction time test.
find the
Independent Variable
Dependent Variable
Control Group

the answer is b.) hydrogen bonds between bases.

a physical change is being made.

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