A positive tropism is growth towards a stimulus, while a negative tropism is growth away from a stimulus.
En positiv tropism är en rörelse mot ett stimulus, medan en negativ tropism är en rörelse bort från ett stimulus.
| Front | What is a positive tropism? What is a negative tropism?  | 
|---|---|
| Back | Positive: Towards a stimulus 
Negative: Away from a stimulus  | 
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