what are some reasons animals are going extinct?
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['Destruction of Habitat. Humans destroy precious habitat--the natural environment of a living thing--when they fill swamps and marshes, dam rivers and cut down trees to build homes, roads and other developments.', 'Pollution. ... ', 'Hunting and Fishing. ... ', 'Exotic Species.']
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Top 10 Most Endangered Animals. For some species, time on planet Earth is running out. Human beings are the greatest threat to the survival of endangered species with poaching, habitat destruction and the effects of climate change causing a lot of the problems.
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Zoos protect against a species going extinct. A good number of species only exist in captivity and still more only exist in the wild because they have been reintroduced from zoos, or the wild populations have been boosted by captive bred animals.
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Humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences.
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The earth's biodiversity is in grave danger. ... Habitat destruction is a major cause of biodiversity loss. Habitat loss is caused by deforestation, overpopulation, pollution, and global warming. Species that are physically large and those living in forests or oceans are more affected by habitat reduction.
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Sea otters are a highly endangered marine mammal. They are at great risk of extinction due to many reasons such as fur trade, shark attacks, habitat degradation, oil spills ,fishing nets, disease and being viewed as competition. Sea otters had have been listed as endangered for a long time.
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Habitat loss through expanding agriculture, human-wildlife conflict, civil unrest, and poaching for their meat, pelts, and tails, are among the reasons for the decline. Three of the currently recognised nine subspecies were listed as Critically Endangered or Endangered on the latest IUCN Red List.
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There are numerous species currently in danger of extinction. Most of them are caused directly or indirectly by man: climate change, destruction of their habitat, illegal hunting, etc. ... Only ambitious plans for protection can save these fascinating species.
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Several creatures around the world are being pushed toward extinction by humans, through hunting and habitat loss, researchers say. Growing populations of humans, and rising demand for agricultural products and the animals themselves via poaching, are elbowing these iconic animals to the brink.
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Extinct species are the organisms that have become extinct either in the wild or completely. An endangered species is a species of organisms facing a very high risk of extinction. They are living today but t heir number has decreased and may become extinct in future.
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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. This is a natural part of evolution. But sometimes extinctions happen at a much faster rate than usual.
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['Resource Depletion.', 'Pollution.', 'Loss of Biodiversity.']
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In June 2019, one million species of plants and animals were at risk of extinction. At least 571 species are lost since 1750 but likely many more. The main cause of the extinctions is the destruction of natural habitats by human activities, such as cutting down forests and converting land into fields for farming.
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Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. ... Human activity can also contribute to a loss of habitat. Development for housing, industry, and agriculture reduces the habitat of native organisms.
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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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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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Major reasons for population decline include habitat destruction, habitat fragmentation and poaching. This, coupled with the fact that it lives in some of the more densely populated places on Earth, has caused significant conflicts with humans.