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Created page with "==Key Stage 4== ===Meaning=== A stimulus is a change in the environment that can be detected by a Sensory Organ."
==Key Stage 4==
===Meaning===
A [[stimulus]] is a change in the [[environment]] that can be detected by a [[Sensory Organ]].
===Meaning===
A [[stimulus]] is a change in the [[environment]] that can be detected by a [[Sensory Organ]].