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.
Adjacent to a frequently-asked paragraph in the same chapter.
Match-the-Column: Column I (Cause) A. Habitat loss. B. Over-exploitation. C. Alien species invasion D. Co-extinction Column II (Example) i. Extinction of passenger pigeon ii. Nile perch in Lake Victoria iii. Obligate pollinator extinction iv. Amazon forest cleared for soy cultivation
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