Evolution is best defined as:
Correct answer: B. Change in species over generations
- A. Change in an individual
- B. Change in species over generations
- C. Modification in a single organism
- D. No change in population
Explanation
Evolution is defined as the change in heritable characteristics of biological populations over successive generations, not changes within an individual.
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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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