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Evolution and Diversity
Concepts tested here
- Diversity from long-term evolution
All Questions
2001 AIPMT 1 question
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Reason of diversity in living beings : -The great diversity of living organisms arose gradually over a very long time (about 3.5 billion years) through the accumulation of variations and natural selection.
Mutation is only one source of variation; single short-term changes cannot produce such large diversity.
So the reason for diversity in living beings is long term evolutionary change.