Contents
Key Stage 3
Meaning
Decomposition is when a dead organism is broken down by micro-organisms.
Key Stage 4
Meaning
Decomposition is the break down of dead organisms by decomposers.
About Decomposition
- Decomposition is carried out by micro-organisms called decomposers.
- Decomposition of dead organism releases Carbon Dioxide into the atmosphere.
- Decomposition is an essential stage in the Carbon Cycle and Nitrogen Cycle as well as the recycling of other nutrients as it makes those nutrients available for plants to use.
References
Edexcel
- Decomposition, pages 102, 104, 106, GCSE Biology; The Revision Guide, CGP, Edexcel
- Decomposition, pages 301, 302, 307, 310-312, GCSE Biology, CGP, Edexcel
- Decomposition, pages 71, 73, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Decomposition; calculating the rate of, page 106, GCSE Biology; The Revision Guide, CGP, Edexcel
- Decomposition; factors affecting rate, page 310, GCSE Biology, CGP, Edexcel