Introduction to plant sensitivity
- Created by: Agnes Fitzpatrick
- Created on: 17-01-14 18:22
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- Intro to plant sensitivity
- leads to survival advantage
- Response
- Growth
- Tropisms
- permanent increase in size due to water intake
- mainly takes place in the meristem located behind tips of root and shoot
- increase in biomass
- Movement response
- thigmotropisms
- touch/pressure
- venus fly trap
- Growth
- Receptors
- detect stimuli
- water
- hydrotropism
- gravity
- geotropism
- chemicals
- chemotropism
- light
- phototropism
- can all be positive or negative
- negative = grows away from stimuli
- positive = grows towards stimuli
- water
- detect stimuli
- hormones
- chemical messages
- move cell to cell and via phloem
- auxins
- phototropisms
- chemical messages
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