Coordination and Response in Plants

Describe the ways in which the human and the plant coordinate their responses to these beams of light.

Your answer should include:

• stimulus detection
• method of responding.

human ______

plant ______

The tomato plant is responding to the light.
Name this response and explain how auxin and cell elongation are involved.

name of response = ______
explanation = ______

phototropism and gravitropism.

The seed is germinating in darkness.

Explain what causes X and Y to grow in opposite directions.

______

Name a chemical that is produced in a plant shoot to coordinate the shoot's response to gravity.

______