As per natural selection the survival in struggle for existence is not random. It depends on surviving individuals
Correct answer: C. Hereditary constitution
- A. Interaction
- B. Ancestry
- C. Hereditary constitution
- D. Phenotype
Explanation
Survival in the struggle for existence is not random, but depends in part on the hereditary constitution of the surviving individuals. Those individuals whose inherited characteristics it them best to their environment are likely to leave more offspring than the less it individuals.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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