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chubhunter [2.5K]
4 years ago
12

Change in the surrounding that causes an organism to react

Biology
2 answers:
Allisa [31]4 years ago
4 0
A stimulus is a change in an organism's surrounding that causes it to react.
kolezko [41]4 years ago
4 0
Change in the surrounding that causes an organism to react?  it's stimulus. Hope I helped. 
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