Question
What is natural selection? How is artificial selection different from natural selection? Give one example each from plants and animals where artificial selection has operated.
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Answer
The nature builds some pressure on the population of a species and as a result few individuals are eliminated and few adapt to adjust with changes and become fit. This biological phenomenon is called natural selection.
| S. No | Natural selection | Artificial selection |
| (i) | It is a natural phenomenon. | It is the practice done by man. |
| (ii) | As a result only fit individual increases in a population. | As a result commercially high yielding and disease resistance varieties increase. |
Artificial selection have been operated in the followings cases:
Plants: Cabbage, wheat. Animals: High milk yielding varieties of cows.Need a full question paper?
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