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en.wikipedia.org/wiki/Decomposition

Decomposition is the process by which organic substances are broken down into simpler matter. The process is a part of nutrient cycle and is essential for recycling the finite matter that occupies physical space in the biosphere. Bodies of living organisms begin to decompose shortly after death. ... Decomposition begins at the moment of death, caused by two factors: 1.

www.bbc.co.uk/schools/gcsebitesize/science/aqa/energy_biomass/thecarboncyclerev1.shtml

Materials from living things decay because they are digested (broken down) by microorganisms. These microorganisms cause decay by releasing enzymes that  ...

www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/greenworld/decayrev1.shtml

Fungi are often larger organisms that include moulds and mushrooms. They both cause decay by releasing enzymes which break down compounds in their food ...

wonderopolis.org/wonder/why-does-food-rot

... cracks or holes in the surface of the food, further contributing to increased decay. ... http://www.livestrong.com/article/538862-what-causes-food-to-spoil- what- ...

www.sciencenewsforstudents.org/article/recycling-dead

Sep 27, 2014 ... The decay of dead things is simply nature's way of mining old materials .... in temperature will tend to cause reactions to happen more quickly.”.

treesforlife.org.uk/forest/forest-ecology/decomposition-and-decay

Decomposition and decay are vital processes, playing an essential role in the ... quite negatively, with the former mainly associated with things that are rotten, have .... the action of bacteria inside the corpse causes putrefaction and swelling of ...

www.sciencefocus.com/article/nature/why-don%E2%80%99t-living-things-rot

Apr 21, 2016 ... All living things are under continual attack from bacteria and fungi but ... a foothold somewhere, cells die and the body begins to decompose.

k8schoollessons.com/decomposition-what-happens-when-living-things-die

What will happen to the living things when they die? ... Moulds – Moulds are small fungi, which cause bread and other organic materials to decay away.

www.quora.com/Why-do-organic-compounds-decay

I will assume by decay you mean one of two things: ... Without any nutrients, cells activate a specialized genetic sequence which causes a starvation response.