37. Plant Sensation and Response

Which of the following statements best illustrates a plant tropism?

Which term describes a plant's response to changes in day length?

Photoperiodism means plants are responding to which of the following?

The bending of plants toward light sources (phototropism) serves which primary purpose in terms of the plants’ metabolism?

What happens immediately after a phytochrome is activated by light?

Solar tracking, or _____, is a plant's growth toward light.

Why is phototropism beneficial to plants?

Photoperiodism is __________.

Which part of a plant is most likely to exhibit negative phototropism?

Which part of a plant is most likely to grow toward a light source due to phototropism?

What do phototropism and geotropism enable plants to do?

Which of the following best describes gravitropism in plants?

How is phototropism beneficial to a plant?

Which of the following is an example of a negative tropism related to phototropism?

What is the physical basis of the phototropic response in plants?