2,903
edits
Changes
no edit summary
===Meaning===
A [[stimulus]] is a change in the [[environment]] that can be detected by a [[Sensory Organ|sensory organ]] or responded to by a [[plant]].
===References===
====Edexcel====
:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Stimulus, page 26, GCSE Physics, Pearson Edexcel '']
:[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Stimulus, pages 42, 136, GCSE Biology, Pearson, Edexcel '']