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In many species of fireflies, males flas...

In many species of fireflies, males flash to attract females. Each species has a different flashing pattern. This probably an examplt of `:`

A

ecological isolation

B

permating isolating

C

geographical isolation

D

postmating isolating

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The correct Answer is:
b
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GRB PUBLICATION-ORGANIC EVOLUTION -REPRODUCTIVE ISOLATION
  1. Which of the following evolutionary mechanisms acts to slow down or pr...

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  2. Reproductive isolating mechanisms :

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  3. In many species of fireflies, males flash to attract females. Each spe...

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  4. When potential mates occupy overlapping ranges but reproduce at differ...

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  5. Two species of water lilies in the same pond do not interbreed because...

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  6. Individuals of differnet species living in the same area may be preven...

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  7. Which of the following reproductive barriers actually prevents individ...

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  8. Which of the following is an example of postzygotic reproductive barri...

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  9. Which of the follownig is an example of postzygotic reproductive barri...

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  10. To Cuvier, the difference in fossils from different strata were eviden...

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  11. Darwin proposed that new species evolve from ancestral forms by the :

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  12. The best description of natural selection is :

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  13. The evolution of similar characters in genetically unrelated species a...

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  14. The classical example of adaptive radiation in development of new spec...

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  15. the chance of elimination of genes from a small populaton is an exampl...

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  16. The spread of genes from one breeding populatoni to another by migrati...

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  17. Two organs which are similar in structure and origin, but not necessar...

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  18. An important evidence in favour of organic evolution is the occurrence...

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  19. Which of the following is vestigial organ in human?

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  20. Hardy -Weinberg equilibrium operates in absence of :

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