what are the four underlying causes of species extinction that results from human activities?
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There are five major causes of extinction: habitat loss, an introduced species, pollution, population growth, and overconsumption. Through the activity, students will create a list of reasons why animals can become extinct.
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['Habitat destruction/Deforestation.', 'Introduced and invasive species.', 'Genetic pollution.', 'Over exploitation.', 'Hybridization.', 'Climate change.', 'Diseases.', 'Human over-population.']
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Human activities that influence the extinction and endangerment of wild species fall into a number of categories: (1) unsustainable hunting and harvesting that cause mortality at rates that exceed recruitment of new individuals, (2) land use practices like deforestation, urban and suburban development, agricultural ...
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1. Loss of Habitat. The loss of habitats is the leading cause of wildlife extinction and a reason why so many animals are endangered. ... Without a habitat that can support their needs, lions are forced to venture into villages and kill the livestock communities rely on for survival.
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Human overpopulation is among the most pressing environmental issues, silently aggravating the forces behind global warming, environmental pollution, habitat loss, the sixth mass extinction, intensive farming practices and the consumption of finite natural resources, such as fresh water, arable land and fossil fuels, ...
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Of course, when we speak of overpopulation, we specifically refer to humans. In fact, human activity is causing massive die-offs of the other species. ... The United Nation's intergovernmental report on biodiversity found that a further 1 million animal and plant species are now at risk for extinction.
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Human activities such as overgrazing, deforestation, unsustainable agriculture and irrigation cause processes of degradation. These include soil erosion (loss of soil to wind and water), intoxication and salinization (increase in salt concentration). ... States on a global scale soils are determined by climate.
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Natural or human-induced factors that directly or indirectly cause a change in biodiversity are referred to as drivers. Direct drivers that explicitly influence ecosystem processes. include land use change, climate change, invasive species, overexploitation, and pollution.
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There are five major causes of extinction: habitat loss, an introduced species, pollution, population growth, and overconsumption.
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['Natural causes as hurricanes, fires, parasites and floods.', 'Human activities as agricultural expansion, cattle breeding, timber extraction, mining, oil extraction, dam construction and infrastructure development.']
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['Deforestation.', 'Desertification.', 'Extinction of species.', 'Forced migration.', 'Soil erosion.', 'Oil depletion.', 'Ozone depletion.', 'Greenhouse gas increase.']
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Biodiversity change is caused by a range of drivers. ... Important direct drivers affecting biodiversity are habitat change, climate change, invasive species, overexploitation, and pollution (CF4, C3, C4.
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Species are disappearing at an accelerating rate through human action, primarily habitat destruction but also pollution and the introduction of exotic species into residual natural environments. ... In the world as a whole, extinction rates are already hundreds or thousands of times higher than before the coming of man.
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['Land Disturbance. A more basic cause of environmental degradation is land damage. ... ', 'Pollution. Pollution, in whatever form, whether it is air, water, land or noise is harmful to the environment. ... ', 'Overpopulation. ... ', 'Landfills. ... ', 'Deforestation. ... ', 'Natural Causes.']
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['Overconsumption – situation where resource use has outpaced the sustainable capacity of the ecosystem. ... ', 'Overpopulation – too many people for the planet to sustain.', 'Acid rain.', 'Biodiversity loss.', 'Deforestation.', 'Desertification.', 'Global warming/climate change.', 'Habitat destruction.']
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Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. ... Endangered animals and plants are at risk of extinction - there are so few of them that they might soon be wiped out altogether.
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Deforestation and tree-clearing is the major cause of habitat loss for many threatened and endangered species. In Asia, this includes orangutans, tigers, rhinos and elephants, some of which are on the brink of extinction.