Which of the following organisms are badly affected when large habitats are broken up into small fragments due to various human activities?
- AMammals requiring small territories
- BPlanktons showing diapause
- CAnimals with migratory habits
- DBirds requiring small territories
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Match the column $I$ with column $II$:
Column $I$ Column $II$ $(a)$. Thylacine $(i)$. Russia $(b)$. Dodo $(ii)$. Mauritius $(c)$. Quagga $(iii)$. Australia $(d)$. Steller's sea cow $(iv)$. Africa
| Column $I$ | Column $II$ |
| $(a)$. Thylacine | $(i)$. Russia |
| $(b)$. Dodo | $(ii)$. Mauritius |
| $(c)$. Quagga | $(iii)$. Australia |
| $(d)$. Steller's sea cow | $(iv)$. Africa |
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Reason $(R)$: The colonization of tropical Pacific islands by humans.
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Which animal has recently become extinct?
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