Assertion : Temperate regions have less biological diversity as compare to tropics. Reason : Speciation is generally a function of time and because of temperate regions subjected to frequent glaciations in the past so have less time for speciation but tropical regions remained relatively undisturbed for millions of years.
- AAssertion and reason both are true and the reason is correct explanation of assertion.
- BAssertion and reason both are true but reason is not correct explanation of assertion.
- CAssertion is true but reason is wrong.
- DAssertion and reason both are wrong.
✓ Correct answer: A
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