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Why do a pale variety of moth, Selonia b...

Why do a pale variety of moth, Selonia bilunaria, when fed on manganese coated food, produce a melanic variety?

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**Step-by-Step Solution:** 1. **Understanding the Background:** - The question involves the pale variety of the moth, Selonia bilunaria, and its transformation into a melanic variety when fed on manganese-coated food. This phenomenon can be explained through the lens of evolutionary theories, particularly Lamarckism and its modified form, Neo-Lamarckism. 2. **Lamarckism Overview:** - Lamarckism, proposed by Jean-Baptiste de Lamarck, is a theory of evolution that suggests organisms can pass on characteristics acquired during their lifetime to their offspring. It is based on the idea that the use or disuse of certain traits can lead to their development or degeneration over generations. ...
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ICSE-EVOLUTION-COMPETITION CORNER (Assertion and Reason Type Questions (For AIIMS aspirants))
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  2. Assertion: Continued use of eyes leads to an improvement of eyesight. ...

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  3. Assertion: Primary atmosphere of primitive earth was reducing Reason: ...

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  4. Assertion: The mechanism of origin and evolution can be suggested. R...

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  5. Assertion: Life originated in water. Reason: Primitive waterbodies w...

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  6. Assertion: Mutations are basically different from fluctuations. Reas...

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  7. Assertion: Best adapted and less adapted individuals reproduce at th...

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  8. Assertion: Lederberg's experiment explains the genetic basis of adapta...

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  9. Assertion: Ostrich has vestigial wings and feather but is a cursorial ...

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  10. Assertion: All the animals have three germ layers in their development...

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  11. Assertion: Frog has a fish-like tadpole larva in its life history Re...

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  12. Assertion: All the living organisms have certain basic similarities. ...

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  13. Assertion: Forelimbs of different vertebrates are basically similar. ...

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  14. Assertion: Dinosaurs were connecting links between reptiles and birds....

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  15. Assertion: Many physical and chemical agents induce inheritable mutati...

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  16. Assertion: There is an everlasting competition between individuals hav...

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  17. Assertion: Evolution is adaptation through generations. Reason: Only...

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  18. Assertion: Natural selection is not the exclusive force of speciation....

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  19. Assertion: Human evolution occurred in Asia and Africa. Reason: The ...

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  20. Assertion: Among the primates, chimpanzee is the closest relative of m...

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  21. Assertion: Natural selection is the outcome of differences in survival...

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