Stomata open in the daytime, when there is an abundance of heat energy from the sun that causes evaporation of water, causing the guard cells to become flaccid, allowing the stomata to open.
Answer:
"plants release oxygen"
Explanation:
Photosynthesis is critical for the existence of the vast majority of life on earth...so we'll go with "plant release oxygen"
Its evolution when living things change over time NOT adaptation oops I am sorry for the mistake!!
