AP BIOLOGY

Detailed explanation-1: -Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening, carbon dioxide diffuses into the plant during photosynthesis.

Detailed explanation-2: -Transpiration is the evaporation of water from plants. It occurs chiefly at the leaves while their stomata are open for the passage of CO2 and O2 during photosynthesis.

Detailed explanation-3: -Because there is a higher concentration of water vapor inside the leaf than outside, the water vapor moves out of the leaf through the stomata by diffusion. This process is known as evaporation.

Detailed explanation-4: -“Transpiration is the biological process by which water is lost in the form of water vapour from the aerial parts of the plants.”

Detailed explanation-5: -Diffusion is a very important process for photosynthesis where carbon dioxide from the stomata diffuses into the leaves and finally into the cells. Also, during transpiration, the water and oxygen diffuse from the leaves into the environment.