Chapter 38 - Plant Responses to Environmental Challenges - 38.3 - Plants Can Adapt to environmental Stresses - 38.3 Recap - Learning Outcomes - Page 820: 2

Abscisic acid is transferred from the roots of the plant to the shoot, where it stimulates stomatal closure and begins gene transcription, leading to physiological changes that promote water conservation.

Abscisic acid is transferred from the roots of the plant to the shoot, where it stimulates stomatal closure and begins gene transcription, leading to physiological changes that promote water conservation.