The uptake of carbon dioxide and the release of oxygen is essential for a plant to survive. where and how does this gas exchange generally occur? a. in all plant organs, as a result of cellular respiration b. in the stems, to provide energy for lifting water c. in the roots, to allow mineral absorption d. in the leaves, as a result of photosynthesis

The uptake of carbon dioxide and the release of oxygen is essential for a plant to survive. Where and how does this gas exchange generally occur?
A. in all plant organs, as a result of cellular respiration
B. in the stems, to provide energy for lifting water
C. in the roots, to allow mineral absorption
D. in the leaves, as a result of photosynthesis

Answer D