Question
Explain over-exploitation.

Answer

→ Humans have always depended on nature for food and shelter, but when 'need' turns to 'greed', it leads to over-exploitation of natural resources.
→ Many species extinctions in the last 500 years (Steller's sea cow, passenger pigeon) were due to overexploitation by humans.
→ Presently many marine fish populations around the world are over harvested, endangering the continued existence of some commercially important species.

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