Biology for IGCSE & O level - Transport In Plants (Section 4 - No. 42)

What is the name of the tiny pores found on the surface of leaves that facilitate gas exchange?

Xylem vessels

Phloem sieve tubes

Stomata

Guard cells

Stomata are the small openings on the leaf surface that allow for gas exchange, including the intake of CO2 and the release of O2 and water vapor.