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Question : The extinction of passenger pigeon was due to

Answer»

Increased NUMBER of predatory birds.
Over-exploitation by humans.
Non-availability of the food.
Bird flu virus infection.

Solution :Over exploitation by humans.
Humans have always depended on nature for food and shelter but when .need. turns to .GREED. it leads to over-exploitation of NATURAL RESOURCES.
In the last 500 years many species. (e.g. Steller.s sea COW, passenger.s pigeon) extinction was due to over-exploitation by human.


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