# Chemical evolution

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> Source: https://en.wikipedia.org/wiki/Chemical_evolution
> Source revision: 1235706223
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

'''Chemical evolution''' may refer to:
* [Abiogenesis](/source/Abiogenesis), the transition from nonliving elements to living systems
* [Astrochemistry](/source/Astrochemistry), the study of the abundance and reactions of molecules in the universe, and their interaction with radiation
* [Cosmochemistry](/source/Cosmochemistry), the study of the chemical compositions in the universe and the processes that led to them
* [Evolution of metal ions in biological systems](/source/Evolution_of_metal_ions_in_biological_systems), incorporation of metallic ions into living organisms and how it has changed over time
* [Gas evolution reaction](/source/Gas_evolution_reaction), the process of a gas bubbling out from a solution
* [Molecular evolution](/source/Molecular_evolution), evolution at the scale of molecules
* [Oxygen evolution](/source/Oxygen_evolution), the process of generating molecular oxygen through chemical reaction
* [Stellar nucleosynthesis](/source/Stellar_nucleosynthesis), the creation of chemical elements by stellar thermonuclear fusion or supernovae
{{disambiguation}}

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Adapted from the Wikipedia article [Chemical evolution](https://en.wikipedia.org/wiki/Chemical_evolution) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Chemical_evolution?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.