define evolution ? exlain drawins theory?
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Evolution is the gradual development of something.
The theory of evolution by natural selection, first formulated in Darwin'sbook "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.
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The theory of evolution by natural selection, first formulated in Darwin'sbook "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.
HOPE IT HELPS
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