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In galapagos finches, adaptive radiation...

In galapagos finches, adaptive radiations occurred…………. Islands, while allopatric speciation occurred…………..islands.

A

within, on large

B

between,within

C

on large, no small

D

within, between

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The correct Answer is:
D
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How do darwin' s finches illustrate adaptive radiation ?

(a) Explain adaptive radiation with the help of a suitable example. (b) City an example where more than one adaptive radiations have occurred in an isolated geographical area. Name the type evolution your example depicts and state why it is so named.

ARIHANT NEET-MECHANISM OF EVOLUTION-Chapter Exercises (A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. The kaibib squirrels, described before, are the example of

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  2. Most often the factor that initiates the speciation of two populations...

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  3. In galapagos finches, adaptive radiations occurred…………. Islands, while...

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  4. Since in the pleistocence ice age,deserts have gradually formed in sou...

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  5. Two organisms of different species mate and produce an offspring canno...

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  6. Which of the following cause phenotypic variation among the organisms ...

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  7. Which of the following increases the number of different alleles in a ...

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  8. Natural selection is best defined as occuring when the environment cau...

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  9. Miceoevolution can be measured by compairing observed allelic frequenc...

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  10. In diploid organisms, veriations is not subjected to natural selection...

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  11. People who carry an allele for normal haemoglobin and an allele for si...

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  12. What is the consequence of genetic drift?

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  13. Which one of the following is used for knowing whether or not a popula...

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  14. Many closely related species of marine invertebrates exist on either s...

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  15. Directional selection usuallt acts to favour

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  16. Disructive selective usually acts to favour

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  17. Under the biological species concept, the main criterion for identifyi...

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  18. In terms of changes in gene frequencies, founder events result in

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  19. After the demise of the dinosaurs mammals evovlved rapidly into many n...

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  20. The formation of a new species through changes in a single lineage is ...

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