Which example shows an acquired trait rather than natural selection?
Answer and explanation
Correct answer: Strong arms of a blacksmith developing due to his work
An acquired trait develops during an individual’s lifetime because of practice, use, environment, or experience. A blacksmith’s stronger arm muscles result from repeated physical work and are not ordinarily encoded as an inherited change in the reproductive cells. Thus option A is correct. Bark-like colour and camouflage may improve survival through natural selection, while an advantageous inherited trait becoming more common across generations is itself a population-level evolutionary pattern.
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What is the correct answer to this question?
Strong arms of a blacksmith developing due to his work
Why is this the correct answer?
An acquired trait develops during an individual’s lifetime because of practice, use, environment, or experience. A blacksmith’s stronger arm muscles result from repeated physical work and are not ordinarily encoded as an inherited change in the reproductive cells. Thus option A is correct. Bark-like colour and camouflage may improve survival through natural selection, while an advantageous inherited trait becoming more common across generations is itself a population-level evolutionary pattern.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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