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According to Darwin, organic evolution is primarily due to:

  1. A
    Intraspecific competition
  2. B
    Interspecific competition
  3. C
    Competition within closely related species
  4. D
    Reduced feeding efficiency

Solution & Step-by-step Explanation

Darwin emphasized that resources are limited and populations grow geometrically, leading to a "struggle for existence." He believed that interspecific competition (competition between different species) and natural selection are the driving forces of evolution.

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According to Darwin, organic evolution is primarily due to:
A
Intraspecific competition
B
Interspecific competition
C
Competition within closely related species
D
Reduced feeding efficiency

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