For evolutionary process to occur, which of the following is NOT a geographical barrier?
Correct answer: D. Atmosphere
- A. Ocean
- B. River
- C. Mountain
- D. Atmosphere
Explanation
The atmosphere is not considered a geographical barrier in evolutionary processes. Geographical barriers refer to physical features of the Earth's surface that can impede the movement or gene flow of organisms, leading to the potential for genetic differentiation.
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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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