Biology
General
Easy
Question
Which one is linked to evolution?
- Extinction
- Competition
- Variation
- Reproduction
The correct answer is: Variation
It is difficult to find out any of the two individuals alike. Even the progeny of the same parents are not exactly alike in all respects. These differences are known as variations. Without variations changes could not occur and there will be no possibility of evolution to occur certain variations, which once appeared in the parent generation, continue to appear in the progeny generation after generation.
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Factor affecting the Hardy-Weinberg principles are
I. gene flow
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III. mutation
IV. genetic recombination
V. natural selection
The correct combination is
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II. genetic drift
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The correct combination is
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From one population to other, the new mutation spreads by
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During the course of human evolution which part of the brain has shown maximum increase in size?
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I II III
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In Africa, there is a species of bird called the yellow-throated long claw. It looks exactly like the meadowlark found in North America, but they are not closely related. This is an example of
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