Stimulus
What Stimulus means in Combined Science GCSE, as defined for AQA.
Definitions of Stimulus
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Check what you remember
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Reference: AQA
A detectable change in the internal or external environment, such as a change in temperature, light intensity or pressure.
A change in the environment, which may be internal or external.
Topics that use Stimulus
- Homeostasis (AQA GCSE)
- The human nervous system (AQA GCSE)
Related terms
- Receptors and effectors
- Antagonistic effectors and set points
- Automatic control systems
- Blood glucose regulation
- Coordination by the central nervous system
- Data handling and graph interpretation
- Denaturation and active site shape
- Effectors
Using Stimulus in the exam
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