Nutrient cycles, predators&prey and living soil
Answer:
Thigmotropism is a plant's response to touch.
Thigmotropism is a plant's response to an external stimulus.
Thigmotropism can occur quickly or slowly.
Thigmotropism may involve the way in which a plant grows.
Thigmotropism may involve the closing and opening of plant leaves.
Answer:
don't know man try some one elce
Some examples would be slate, phyllite, and gneiss.