It is the evaporation of water from the leaves and stems of the plant. It cools the plant and allows the diffusion of Co2 from the air for photosynthesis.
because plants and animals will die if there is no food.
The transpiration stream refers to the movement of water from the roots of a plant, through the stem, and ultimately to the leaves, where it evaporates into the atmosphere. This process begins when water absorbed by the roots is transported upward through xylem vessels, driven by capillary action and the negative pressure created by water evaporating from the stomata in the leaves. Transpiration not only helps to cool the plant but also facilitates the uptake of essential nutrients and minerals dissolved in the water. Overall, the transpiration stream is crucial for maintaining plant health and hydration.
because transpiration stream is created after every water is lost
Dissolved minerals and other nutrients that get absorbed from the soil are carried along with water. Source: Apart from drawing water through the plant, what else may be drawn up by the transpiration stream? - Quora
The transpiration stream is fastest during warm, sunny days when temperatures are high and humidity levels are low. This is because increased light enhances photosynthesis, leading to higher water uptake by roots and subsequent evaporation from stomata. Additionally, wind can increase transpiration rates by removing the moisture-laden air near the leaf surface, creating a steeper water vapor gradient. Overall, optimal conditions for transpiration include warmth, low humidity, and adequate light.
Transpiration stream is the movement of water from the roots of a plant, through the stem, and out through the leaves via transpiration. This process is vital for the transport of nutrients and water throughout the plant.
In plants, the transpiration stream is the uninterrupted stream of water, and other, which is taken up by the roots and, via the xylem vessels, transported to the leaves where it will eventually evaporate into the air/applets-interface of the substomatal cavity. It is driven in by capillary action and in some plants root pressure. The main driving factor is the difference in water potential between the soil and the substomatal cavity caused by transpiration.
According to this theory, light travels as a stream of particles that originate from a bright source and are absorbed by the eye.
The transpiration stream of a plant primarily involves the movement of water and dissolved minerals from the roots through the xylem to the leaves. As water evaporates from the stomata in the leaves, it creates a negative pressure that pulls more water upward from the roots. This process not only facilitates the transport of essential nutrients and minerals dissolved in the water but also helps regulate temperature and maintain plant turgor.
This phenomenon is called transpiration.
The transpiration stream is important because it helps to transport water and nutrients from the roots to the leaves of a plant. This process is essential for maintaining turgor pressure in plant cells, which in turn supports plant structure and growth. Additionally, the movement of water through the plant helps to cool the leaves and assists in the uptake of minerals and other essential nutrients from the soil.
Perennial is a stream or river that has a continuous loop of a flow in parts of a stream bed all year round during years of normal rainfall. A intermittent is a stream or river which carries water in a considerable portion of the time, but ceases to flow occasionally or seasonally because bed seepage and evaporation/transpiration exceed the available water supply. That is a summarized form of what each stream are. In conclusion, the difference is the way the stream flows. Perennial is a circular stream that is steady all year long, while a intermittent stream is at a specific timing.