1.

The extinction of passenger pigeon was due toA. Increased number of predatory birdsB. Over exploitation by humansC. Non-avilability of the goodD. Bird flu virus infection

Answer» Correct Answer - B
Extinction of passenger pigeon (Ectopistes migratorius) was due to over exploitation by human being. Factors like increase in number of predatory birds, non-availability of food and bird flu virus inflection did not contribute to the extinction of passenger pigeon.


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