Lamarck's ideas on biological evolution contained correct and incorrect notions. Which of his ideas is correct?
Correct answer: D. Evolution is related to changes in adaptation to the environment
- A. Acquired traits can be passed on to offspring
- B. Living forms become perfect with time
- C. Nervous fluids are passed on from generation to generation
- D. Evolution is related to changes in adaptation to the environment
Explanation
The correct answer is D. Lamarck acknowledged that evolution involves adaptive changes to the environment, a concept that remains central in contemporary evolutionary biology. While his mechanisms, such as the inheritance of acquired characteristics, have been debunked, the idea that adaptation drives evolutionary change is valid. Options A, B, and C reflect misconceptions or unsupported aspects of his theory.
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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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