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Cycles of Matter: Water and Nutrient Recycling in the Biosphere

Explore the biogeochemical cycles that connect biological, geological, and chemical aspects of the biosphere, including the water cycle and nutrient cycles. Learn how water, carbon, nitrogen, and phosphorous are recycled within and between ecosystems.

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Cycles of Matter: Water and Nutrient Recycling in the Biosphere

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  1. Chapter 3: Ecology 3-3: Cycles of Matter

  2. Recycling in the Biosphere • Matter is recycled within and between ecosystems • Biogeochemical Cycles – cycles that connect BIOlogical, GEOlogical, and CHEMical aspects of the biosphere

  3. The Water Cycle • Water enters the atmosphere by 2 ways: • Evaporation – water changes from liquid to gas • Water evaporates from bodies of water (ocean, lake, etc.) • Transpiration – water evaporating from the leaves of plants

  4. Nutrient Cycles • Nutrients – chemical substances that an organism needs to sustain life • They build tissue and carry out essential life functions • Ex: • Humans drink milk • Milk contains calcium • Calcium is needed to grow strong bones

  5. Carbon Cycle • 4 main types of processes that moves carbon (C) through its cycle

  6. Carbon Cycle

  7. Nitrogen Cycle

  8. Phosphorous Cycle

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