hullohullo hullohullo
  • 31-05-2017
  • Biology
contestada

Natural selection could not occur without:
A. genetic variation in species
B. environmental changes
C. competition for unlimited resources
D. gradual warming of the Earth

Respuesta :

psirockin2
psirockin2 psirockin2
  • 31-05-2017
A. genetic variation in species
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