The three plant tropisms include geotropism, thigmotropism,hydrotropism and photoperiodism.
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Light. Tropisms are growth responses to stimuli. Photo-tropism = light-growth
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Tropisms
Tropisms and nastic movements are both plant responses to external stimuli. however tropisms are depend on the direction of the stimulus nastic movements do not depend on the direction of a stimulus
gravity light and touch are the three stimuli for plant tropisms.
The three plant tropisms include geotropism, thigmotropism,hydrotropism and photoperiodism.
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Tropisms is the response to an external stimulus in a specific direction.
Tropisms
Jacques Loeb
innate
It responds to stimulus
The four tropisms are: "Hydo-tropism" "Photo-tropism" "Geo-tropism" "Thigmo-tropism" MerchantMooMoo summons his milk!
Light. Tropisms are growth responses to stimuli. Photo-tropism = light-growth
gravitropism