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Which of the following is NOT a component of the theory of natural selection when Darwin proposed his theory ?
(a) Heritable variations allow some individuals to compete more successfully for resources.
(b) Selective pressure allows some individuals in a population to reproduce more than others.
(c) All new variations in a given population arise from spontaneous mutation in genes.
(d) Some new variations are passed on to the next generation.
Which of the following is NOT a component of the theory of natural selection when Darwin proposed his theory ?
(a) Heritable variations allow some individuals to compete more successfully for resources.
(b) Selective pressure allows some individuals in a population to reproduce more than others.
(c) All new variations in a given population arise from spontaneous mutation in genes.
(d) Some new variations are passed on to the next generation.
Correct option: (c) All new variations in a given population arise from spontaneous mutation in genes.