Transpiration - Definition, Function and Examples - Biology …
网页2019年10月4日 · Transpiration is the evaporation of water from plants. Most of the water absorbed by the roots of a plant—as much as 99.5 percent—is not used for growth or metabolism; it is excess water, and it leaves the plant through transpiration.
Transpiration - Wikipedia
网页Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. It is a passive process that requires no energy expense by the plant. [1] Transpiration also cools plants, changes osmotic pressure of cells, and enables mass flow of mineral nutrients.
Transpiration | Definition, Mechanism, & Facts | Britannica
网页2024年8月10日 · transpiration, in botany, a plant’s loss of water, mainly through the stomata of leaves. Stomatal openings are necessary to admit carbon dioxide to the leaf interior and to allow oxygen to escape during photosynthesis.
Evapotranspiration and the Water Cycle | U.S. Geological Survey - USGS.gov
网页2018年6月12日 · 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.
Transpiration in Plants-Types, Factors and Significance - BYJU'S
网页This process of elimination of excess water from the plant body is known as transpiration. It is generally the evaporation of water from the surface of the leaves. During the process of transpiration, water molecules in the plant tissues are …
Transpiration – Definition, Factors, Types, and Importance
网页2023年2月17日 · Transpiration is the biological process by which water is released in the air as water vapor through minute pores called stomata. It occurs through the aerial parts of the plant, such as leaves, stems, and flowers. Transpiration. How …
11.10: Transpiration - Biology LibreTexts
网页2022年7月31日 · Transpiration is the loss of water from the plant through evaporation at the leaf surface. It is the main driver of water movement in the xylem. Transpiration is caused by the evaporation of water at the leaf–atmosphere interface; it creates negative pressure (tension) equivalent to –2 MPa at the leaf surface.
Transpiration in Plants: Types, Mechanism, Factors, Uses
网页2024年4月18日 · Transpiration is defined as water loss in the form of water vapor from the internal tissues of aerial parts of the plant body under the influence of sunlight and regulated to some extent by the cell’s protoplasm.
The Biology of Transpiration. From Guard Cells to Globe
网页Transpiration also provides the driving force for transport of water and nutrients from roots to shoots. Consequently, transpiration processes affect the yield and survival of agricultural species, and impact on the global carbon and hydrological cycles.
12.3: Transpiration - Biology LibreTexts
网页2024年2月14日 · Transpiration refers to the loss of water vapor through plant stomata, mainly in the leaves. Hot, dry, and windy conditions increase transpiration rate.