Cycling of matter
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Cycling of Matter. What will we learn?. Cycling of matter within living systems Example of living system: compost bin. Conservation of Matter. Matter of a closed system will remain constant over time Matter is not created or destroyed but transformed into more complex forms.

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Cycling of Matter

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Cycling of Matter


What will we learn?

  • Cycling of matter within living systems

  • Example of living system: compost bin


Conservation of Matter

  • Matter of a closed system will remain constant over time

  • Matter is not created or destroyed but transformed into more complex forms


Cycling of Matter

Decomposition

Plants

Herbivores

Predators

Nutrients in the Soil

Waste and Death

Decomposition


Decomposition

  • Break down of organic matter into simpler forms of matter

    AB  A+B

  • Complex plants break down into the major elements that compose them like carbon, nitrogen, phosphorous and more.

C + N + P + …


Composting

  • Break down of Matter


How does the matter break down?

  • Micro-organisms

    • Bacteria

    • Actinomycetes

    • Fungi

    • Protozoa

    • Rotifers

  • Worms


Ingredients for Successful Composting

  • Carbon source (browns)

  • Nitrogen source (greens)

  • Water

  • Oxygen


Composting Cycle

Micro-organisms

Worms

Compost

Organic

Waste

Replenish Soil

Cycle of Matter


Composting Cycle

  • The decomposing step within the cycle of matter has its own cycle.

  • This is the cycle of a compost bin


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