Tropism

Geotropism- The way that the plant is growing in the earths surface. Ex- roots growing in the soil, the steam growing upwards.

Heliotropism- The motion of plants in the sunlight.

Phototropism- If they plant is growing away from the sun, its negitive. If Its growing towards the sun its positive.

Thigmotropism-Negative- grows away from tough or contact
Positive- grows toward touch or contact