B1.5.3 Decay Process

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  • Created by: Maddi
  • Created on: 26-04-14 15:59
Why do things decay?
Materials decay because they are broken down (digested) by microorganisms.
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In what conditions do materials decay faster?
Microorganisms digest materials faster in warm, moist conditions.
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Why are decay processes so important?
The decay process releases substances that plants need to grow.
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How are materials cycled in a stable community?
In a stable community the processes that remove materials (particularly plant growth) are balanced by the processes that return materials.
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Give an example of a detritus feeder.
Worms.
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How can humans help to recycle waste?
Humans can recycle waste in sewage treatment plants and compost heaps.
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Card 2

Front

In what conditions do materials decay faster?

Back

Microorganisms digest materials faster in warm, moist conditions.

Card 3

Front

Why are decay processes so important?

Back

Preview of the front of card 3

Card 4

Front

How are materials cycled in a stable community?

Back

Preview of the front of card 4

Card 5

Front

Give an example of a detritus feeder.

Back

Preview of the front of card 5
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