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1. Phototropism
2. Geotropism
3. Thigmotropism

Positive- Roots grow down

Negative- Shoots grow up towards sky

Negative- Roots avoid rocks in the soil

Growth in response to touch

Response to light

Positive- Vines wrap around a pole or grow up a wall

Negative - None (Plants love this stimuli and need it to survive, Roots aren't affected)

Positive- Growth towards light

Growth in response to gravity

Phototropism