ECOLOGY
BIODIVERSITY AND ITS CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Species richness. extinctions. deforestation, erosion
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Habitat loss and fragmentation, over-exploitation, alien species invasion, co-extinction
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Overexploitation. grazing, decomposition. extinction
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Habitat destruction. co-extinction. deforestation.species richness
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Detailed explanation-1: -Biodiversity losses. Evil quartet is a term related to four major causes of biodiversity losses. A) habitat loss and fragmentation, b) Alien species invasion, c) Co–extinction, d) over – exploitation. Suggest Corrections.
Detailed explanation-2: -b) ‘The Evil Quartet’ of biodiversity loss is a concept that describes the reason that causes extinction of species. These main four reasons are overexploitation, loss of habitat, extinction of species continuously and introduction of the exotic species.
Detailed explanation-3: -The correct option is C Habitat loss and fragmentation, over-exploitation, alien species invasion, co-extinction. Introduction to Evil Quartet. Biodiversity refers to the variety and variability amongst different life forms seen at different levels of organisation.
Detailed explanation-4: -Aptly named, the Evil Quartet, outlines the operating drivers attributed to recent extinctions, which are habitat loss, species introductions, extinction cascades, and overexploitation.