Evolution
From Palaeos.org
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| Linnaean taxonomy | Phylogeny and hypothetical timeline (not to scale) |
Hadean Archean Proterozoic Phanerozoic LUCA |--Eubacteria --------------------- `--Archaea ----------------------- `---- Eukarya ---------------- |--Plantae --------- `-----+--Fungi ------ `--Metazoa ---- |
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Life in the Universe: Definitions of life | Exobiology | Origin of life Life on Earth: Biology | Ecology | Evolution | The Fossil record | Genetics | Physiology | Systematics |
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Evolution is quite simply, heritable changes in a population over time. Or in other words, it is the rate of change of allele frequencies over time, within a population. Evolution leads to speciation, which is when two isolated populations of a species, diverge, to where, they can no longer interbreed.
References
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[1] Talk.Origins: What is Evolution?
[2] Palaeos.com: Evolution
