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Earth’s Cycles of Matter. H. Biology Unit 1 Chapter 3-3 . Cycles of Matter. How do biological systems move energy?. In one direction – it is a one-way flow. How do biological systems move matter?. Matter is recycled Biological systems do not use matter, they TRANSFORM it.

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earth s cycles of matter

Earth’s Cycles of Matter

H. Biology

Unit 1

Chapter 3-3

cycles of matter
Cycles of Matter

How do biological systems move energy?

  • In one direction – it is a one-way flow

How do biological systems move matter?

  • Matter is recycled
  • Biological systems do not use matter, they TRANSFORM it.
cycles of matter1
Cycles of Matter

CYCLE: A group of processes in which matter and energy move

What is a LIMITING NUTRIENT?

  • When an ecosystem is limited by a single nutrient.
  • Examples:
  • Nitrogen –
  • Farmer’s fields / algal ocean blooms
slide4
Carbon Cycle: Carbon is needed as a fuel for life processes.
  • Nitrogen Cycle:Nitrogen is used to build proteins in cells.
  • Phosphorous Cycle:Phosphorous is used to build cells.
  • Water Cycle:Changes in form of water.
the carbon cycle

Carbon Cycle

The Carbon Cycle

To Atmosphere: Burning fossil fuel, volcanoes, fires, respiration

To Biosphere: Photosynthesis, eating

To Hydrosphere: Photosynthesis, eating, runoff

To Geosphere: Decomposition of organic matter

the carbon cycle1
The Carbon Cycle

To Atmosphere: Burning fossil fuel, denitrification (Nitrates into N2)

To Geosphere: Nitrogen fixation (bacteria & lightning)= turns N2 into ammonia, adding fertilizer

To Biosphere: bacteria converts ammonia into nitrates/nitrites for producers to make proteins, consumers eat producers

To Hydrosphere: Runoff, leaching

Nitrogen Cycle

the carbon cycle2

Phosphorous Cycle

The Carbon Cycle

To Atmosphere: DOESN’T HAPPEN

To Geosphere: Runoff, dissolves in water, decomposers

To Biosphere: Eating, absorb through roots

To Hydrosphere: Runoff, leaching

the carbon cycle3
The Carbon Cycle

To Atmosphere: Evaporation, transpiration

To Geosphere: Precipitation, condensation, infiltration

To Biosphere: Drinking, absorbed through roots

To Hydrosphere: Runoff, leaching