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A particular herbivore species X was being studied. There are two populations of this species, one found in Sri Lanka and the other in Indian mainland. Five thousand years ago, species X had a variety of colours - blue, green, red and yellow. Species X of all the four colours were equally prevalent in both the locations. In the present-day Sri Lankan Island, while species X of all these colours are still found, the m

Options

  1. AA severe earthquake killed a large number of species X of all colours, after which the individuals that came i
  2. BThe green-coloured species X could perfectly camouflage with the vegetation of the forest and were thus less p
  3. CA severe earthquake killed a large number of species X of all colours, and survivors were green in colour mere
  4. DThe number of species X that were green-coloured, decreased in Indian mainland due to predation.

Correct answer

A. A severe earthquake killed a large number of species X of all colours, after which the individuals that came i

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