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How many years did evolution required?

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in Biology – Class 12 by (271k points)
How many years did evolution required?

(a) Tens

(b) Hundreds

(c) Trillions

(d) Millions

I got this question in semester exam.

I want to ask this question from Biodiversity Basics in division Biodiversity and Conservation of Biology – Class 12

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The correct option is (d) Millions

To explain: Evolution is the result of the process of slow and gradual changes in millions of years. As evolution proceeds, organisms become more and more complex. The complexity of organisms can be given by studying various processes of biological organization.

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