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Transpiration is the process by which plants release water vapor into the atmosphere. It cools plants, contributes to humidity, and plays a key role in the water cycle.
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Transpiration is the process by which plants release water vapor into the atmosphere through tiny pores in their leaves called stomata. It is a key part of the water cycle and helps regulate the Earth’s climate.
During transpiration, plants absorb water from the soil through their roots. This water travels up the stem and evaporates from the leaves. Transpiration cools plants, much like sweating cools humans, and helps transport nutrients from the soil to the leaves.
Transpiration also contributes to humidity and cloud formation. In forests, large amounts of water vapor released by trees can lead to local rainfall. This process is especially important in tropical rainforests, where transpiration helps maintain high levels of precipitation.
However, transpiration can be affected by factors like temperature, humidity, and soil moisture. In dry conditions, plants may close their stomata to conserve water, reducing transpiration rates.
Understanding transpiration is important for agriculture, as it affects crop water needs and irrigation practices. Scientists use tools like lysimeters to measure transpiration rates and improve water management.
Fun fact: A single large tree can transpire up to 100 gallons of water per day, releasing it into the atmosphere!
What is transpiration?
The process of water evaporating from oceansThe process of plants releasing water vapor through their leavesThe formation of cloudsThe melting of ice
What are stomata?
Tiny pores in plant leavesRoots of plantsTypes of soilTools to measure water
What is one role of transpiration in plants?
It increases soil moistureIt cools plants and transports nutrientsIt stops water absorptionIt reduces humidity
How does transpiration affect the atmosphere?
It increases air pressureIt contributes to humidity and cloud formationIt stops rainfallIt reduces temperature
What is one factor that affects transpiration?
Wind speedTemperatureOcean currentsAir pressure
What is one importance of transpiration for agriculture?
It increases soil erosionIt affects crop water needs and irrigationIt stops plant growthIt reduces rainfall
What is the fun fact mentioned in the passage?
A single large tree can transpire up to 100 gallons of water per dayTranspiration has no effect on the water cycleTranspiration only occurs in desertsStomata are found in roots
What tool is used to measure transpiration rates?
ThermometerLysimeterBarometerAnemometer
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