What are the 7 natural causes of extinction?
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Extinction occurs when species are diminished because of environmental forces (habitat fragmentation, global change, natural disaster, overexploitation of species for human use) or because of evolutionary changes in their members (genetic inbreeding, poor reproduction, decline in population numbers).
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Extinction occurs when species are diminished because of environmental forces (habitat fragmentation, global change, natural disaster, overexploitation of species for human use) or because of evolutionary changes in their members (genetic inbreeding, poor reproduction, decline in population numbers).
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Javan rhinoThe Javan rhino is the closest to extinction with only between 46 to 66 individuals left, all of which are in Ujung Kulon National Park in Indonesia..
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Climate change, habitat loss and pollution may all be part of the problem, but the biggest and most direct threat is a simple one. They are being hunted to death. They are being killed for meat, for trophies such as horns and tusks, and for body parts used in Asian medicine.
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There are multiple theories around what might ultimately cause human extinction — everything from alien invasions to catastrophic asteroid strikes. But among those investigating this question, there's a general consensus that some risks to human life are more plausible than others.
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Overview. 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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