Difine the evolution .how does it it occur ?
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EVOLUTION :
The gradual development of different kinds of organism from pre - existing organism through change since the origin life.
OCCURENCE :
it occurs because there is an inbuilt of variation during reproduction due to error in DNA copying and as a result f sexual reproduction.
The gradual development of different kinds of organism from pre - existing organism through change since the origin life.
OCCURENCE :
it occurs because there is an inbuilt of variation during reproduction due to error in DNA copying and as a result f sexual reproduction.
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