Biology

Grimes

23 May, 16:37

Leaves on green plants contain openings called stomates, which are opened and closed by specialized cells allowing for gas to exchange between the leaf and outside environment. Which phrase best represents the net flow of gases involved in photosynthesis into and out of the leaf through these openings on a sunny day?

A) Carbon dioxide moves in; oxygen moves out

B) Carbon dioxide and oxygen move in; ozone moves out

C) Oxygen moves in; nitrogen moves out

D) Water and ozone move in; carbon dioxide moves out