To control the intake of carbon dioxide for photosynthesis on the one hand and water loss through transpiration on the other, grasses contain respiratory pores (known as stomata) that open and close.
Grasses Breathing Pores Shaped by Polarity Proteins miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.