Understand that plants respond to stimuli.
- Stimuli ------> Receptor --------> Response
- Stimuli is a change in nature. It could be temperature light or gravity etc...
- Receptors detect a stimuli and turn them into a response.
- Responses offten take the firm of growth
- Growth in response to stimulus is called a tropism. Tropisms that involve light are called photo tropisms. Tropisms involving gravity are called geotropisms.
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