AP BIOLOGY

Detailed explanation-1: -Transpiration is a process that involves loss of water vapour through the stomata of plants. The loss of water vapour from the plant cools the plant down when the weather is very hot, and water from the stem and roots moves upwards or is ‘pulled’ into the leaves.

Detailed explanation-2: -Transpiration occurs when plants take up liquid water from the soil and release water vapor into the air from their leaves. In order to understand evapotranspiration, let’s explore what transpiration is in more detail.

Detailed explanation-3: -When plants have more water in their leaves than they need, they get rid of this extra water through a process called transpiration. During transpiration, water evaporates from tiny holes in the surfaces of leaves into the air. These tiny holes are called stomata.

Detailed explanation-4: -Xylem transports water in plants. Water is absorbed from the soil through root hair cells. Water moves by osmosis from root cell to root cell until it reaches the xylem. It is transported through the xylem vessels up the stem to the leaves.