organic evolution was perceded by chemical evolution the champions of this theory are...
a) A.I.Oparin and J.B.S.Haldane
b) Charles darwin
c) Anthenius
d) Baptiste lamarck
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Charles Darwin.
According to him, evolution was a "descent with modification".
It said that a species changes with time and produces new species with a common ancestor.
The mechanism for it is natural selection.
Since resources are limited within nature therefore organisms that have heritable traits and favor survival with reproduction will try to have more offspring.
This trait can help to improve the frequency over a generation.
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