If a useful variation increases generation after generation in a population, what can happen over a long period?
Answer and explanation
Correct answer: The form of the population can change
A useful heritable variation can increase an organism’s survival or reproductive success. If individuals carrying it leave more offspring, the variation may become more frequent in successive generations. Over a long period, this change in frequency can alter the overall characteristics of the population and contribute to evolution. Thus, option A is correct; the other choices contradict inheritance and population change.
Frequently asked questions
What is the correct answer to this question?
The form of the population can change
Why is this the correct answer?
A useful heritable variation can increase an organism’s survival or reproductive success. If individuals carrying it leave more offspring, the variation may become more frequent in successive generations. Over a long period, this change in frequency can alter the overall characteristics of the population and contribute to evolution. Thus, option A is correct; the other choices contradict inheritance and population change.
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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