When ==Key Stage 3=====Meaning==='''Decomposition''' is when a dead creature [[organism]] is broken down by small [[Organismmicro-organism]]s. ==Key Stage 4=====Meaning==='''Decomposition''' is the break down of dead [[organism]]s by [[decomposer]]s. ===About Decomposition===: '''Decomposition''' is carried out by [[micro-organism]]s called [[decomposer]]s.: '''Decomposition''' of dead [[organism]] releases [[Carbon Dioxide]] into the [[Earth's Atmosphere|organismsatmosphere]].: '''Decomposition''' is an essential stage in the [[Carbon Cycle]] and [[Nitrogen Cycle]]as well as the recycling of other [[nutrient]]s as it makes those [[nutrient]]s available for [[plant]]s to use. ===References=======Edexcel==== :[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Decomposition, pages 102, 104, 106, GCSE Biology; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Decomposition, pages 301, 302, 307, 310-312, GCSE Biology, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Decomposition, pages 71, 73, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Decomposition; calculating the rate of, page 106, GCSE Biology; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Decomposition; factors affecting rate, page 310, GCSE Biology, CGP, Edexcel '']