Plant Tropisms - Deal

Front

What is tropism?

Back

A plant's response to a stimulus.

Front

What is an external stimulus?

Back

A change in the environment outside of the organism.

Front

What is thigmotropism?

Back

The movement of a plant in response to touch or physical contact.

Front

What is phototropism?

Back

The movement of a plant towards light.

Front

What is gravitropism (or geotropism)?

Back

The movement of a plant in response to gravity.

Front

What is hydrotropism?

Back

The movement of a plant towards water.

Front

What is the difference between positive and negative tropism?

Back

Positive tropism is movement towards a stimulus, while negative tropism is movement away from a stimulus.

Front

Give an example of a plant exhibiting phototropism.

Back

A sunflower turning towards the sun.

Front

What is the role of auxins in plant tropisms?

Back

Auxins are hormones that help regulate plant growth and response to stimuli.

Front

What is an example of thigmotropism in plants?

Back

Vines wrapping around a support structure.