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Cycles

Cycles. Water Carbon Nitrogen. Nutrient Cycles. Energy transfer through an ecosystem is ONE WAY Most energy is lost as heat Nutrients such as nitrogen, water and carbon are able to cycle through an ecosystem and be reused. The Water Cycle. Water on earth moves in a continuous cycle.

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Cycles

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  1. Cycles Water Carbon Nitrogen

  2. Nutrient Cycles • Energy transfer through an ecosystem is ONE WAY • Most energy is lost as heat • Nutrients such as nitrogen, water and carbon are able to cycle through an ecosystem and be reused.

  3. The Water Cycle Water on earth moves in a continuous cycle

  4. Condensation: The changing of water from a vapor to a liquid Transpiration: Release of water through the leaves of plants into the atmosphere • Precipitation: • Any form of water • falling from the sky • such as rain, sleet, • snow, and hail Evaporation: Liquid water rising converting to water vapor and rising to the atmosphere.

  5. Transpiration • Water is first absorbed by the root hairs of the plant

  6. Transpiration • From the roots, water moves to the leaves by means of the xylem

  7. Transpiration • Water exits the leaves through openings in the leaves called stomata

  8. Factors Affecting Transpiration 1) Humidity 2) Temperature

  9. Transpiration affected by Air Currents 3) Wind • removeswater vapor that is in the area immediate to the plant. • Since water moves from higher to lower concentration, the rate of transpirationincreases

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