A) its ability, relative to others in the population to pass its genes to the next generation
B) the number of offspring it produces
C) its lifespan
D) its physical vigour
Correct Answer: D
Solution :
The factors of Darwinian theory are over production, limited food and space, struggle for existence, variations, survival of the fittest, inheritance of useful variations and formation of new species. The organisms with favourable variations would survive because they are fittest to face their surroundings, while unfits are destroyed.
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