Biology
Grade-9
Easy
Question
Which of the following was not a part of Darwin’s theory?
- Common descent
- Natural selection
- Use and disuse of organs
- Variation
Hint:
One of the theories proposed by Lamarck.
The correct answer is: Use and disuse of organs
- The concept of use and disuse of organs was proposed by Lamarck and not Darwin
- The concept states that when certain organs develop as a result of some environmental need, then the development is hereditary and can be inherited
- But the theory was rejected because it was not supported by any experimental evidence
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