BIL 160 Chapter Notes - Chapter 56: Minimum Viable Population, Greater Prairie Chicken, Extinction Vortex

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Conservation biology integrates ecology, physiology, molecular & evolutionary biology and genetics to conserve biological diversity at all levels. Human activities threaten earth"s biodiversity: 3 levels of biodiversity: An endangered species is in danger of extinction throughout all/most of its range. A threatened species are those considered likely to become endangered in the near future. Local extinction of one species can have negative effect on other species in the ecosystem. Benefits of species and genetic diversity: many species could provide medicine, food, fibers. Periwinkle plant that inhibits cancer growth: each species lost means loss of unique genes. Ecosystem services: encompass all process through which natural ecosystems help sustain human life, they purify our air & water. Detoxify our wastes: functioning of ecosystems and capacity to perform services linked to biodiversity. As we reduce biodiversity, we reduce capacity of ecosystems to perform critical processes. Agriculture, urban development, forestry, mining and pollution.

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