Which example shows that environment decides the advantage of a trait?
Answer and explanation
Correct answer: Dark coloured insect hiding in an industrial area
The governing concept is environmental selection: a trait is advantageous only in relation to the surroundings. In a smoky or dark industrial habitat, a dark-coloured insect may be less visible to predators, so its colour can improve survival and reproduction. Thus option A shows that the same trait may be useful in one environment but not another. A scar is generally acquired, a cut tail is not inherited, and boiling water is not an inherited trait.
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What is the correct answer to this question?
Dark coloured insect hiding in an industrial area
Why is this the correct answer?
The governing concept is environmental selection: a trait is advantageous only in relation to the surroundings. In a smoky or dark industrial habitat, a dark-coloured insect may be less visible to predators, so its colour can improve survival and reproduction. Thus option A shows that the same trait may be useful in one environment but not another. A scar is generally acquired, a cut tail is not inherited, and boiling water is not an inherited trait.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Our Environment.
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