Plants have small pores on the underside of their leaves, known as stomata. When the sun rises, these pores open and the ...

Open (left) and closed (right) stomata found on the surface of plants' leaves, stems and other organs. Through the stomata, plants exchange oxygen and carbon dioxide, and lose more than 95 percent ...

When temperatures are high, the stomata open to cool down, in dry conditions they close to prevent water loss. So, when conditions are dry and hot, this may evoke conflicting – and therefore less ...