Jared Diamond describes an "Evil Quartet" of habitat destruction, overkill, introduced species, and secondary extinctions. Edward O. Wilson prefers the acronym HIPPO, standing for Habitat destruction, Invasive species, Pollution, human over-Population, and Over-harvesting. The most authoritative classification in use today is IUCN's Classification of Direct Threats which has been adopted by major international conservation organizations such as the US Nature Conservancy, the World Wildlife Fund, Conservation International, and BirdLife International. COUNT 5
QSN1 Who describes the "Evil Quartet"? ANS1 Jared Diamond QSN2 What describes habitat destruction, overkill, introduced species, and secondary extinctions? ANS2 Evil Quartet QSN3 What describes Habitat destruction, Invasive species, Pollution, human over-Population, and Over-harvesting? ANS3 HIPPO QSN4 What is the most authoritative classification in use today? ANS4 IUCN's Classification of Direct Threats QSN5 What funding organization uses the IUCN's Classification of Direct Threats? ANS5 the World Wildlife Fund