The role of microorganisms in decomposition
I can explain the role of microorganisms and detritus feeders in decomposition.
The role of microorganisms in decomposition
I can explain the role of microorganisms and detritus feeders in decomposition.
Lesson details
Key learning points
- Microorganisms and detritivores (detritus feeders) are responsible for the decomposition of plant and animal material.
- Decay is needed to keep nutrients cycling around an ecosystem.
- Compost is made out of decomposed plant and animal material.
- Biogas is produced when waste material is anaerobically digested.
- Biogas contains methane which can be harvested and used as a fuel.
Common misconception
Decomposers release energy that is recycled back to plants.
Decomposers break down dead organisms and waste. This returns minerals to the soil which can be used by plants. It is worth stating that some decomposers are eaten by carnivores as part of food chain diagrams which include decomposers.
Keywords
Microorganism - A microorganism is an organism that can only be seen using a microscope.
Decomposer - A decomposer is an organism that feeds on the remains of other living organisms (organic matter).
Decay - Decay is the breakdown (or rotting) of organism matter by bacteria, fungi, or other organisms.
Detritus - Detritus is the remains of living organisms.
Enzyme - An enzyme is a protein that acts as a biological catalyst (a substance that speeds up a reaction).
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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Starter quiz
6 Questions
Exit quiz
6 Questions
A natural fertiliser made from plant materials.
A natural fertiliser made from animal waste.
The remains of living organisms.
An organism that feeds on the remains of other living organisms.