The origin of species from pre-existing species is
The origin of species from pre-existing species is
- A
Isolation
- B
Speciation
- C
Polyploidy
- D
Biogeography
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Which of the following is the most evident source of evolution
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Which one is not a vestigial organ in man
Mutational theory of evolution was given by
A substance (low molecular weight protein) produced by host cells in response to viral infection and protect other cells against further viral infection is
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- [AIIMS 1982]