Question

99.9 extinct species....? ​

Answer 1

Answer:

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Step-by-step explanation:

Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events. According to a recent poll, seven out of ten biologists think we are currently in the throes of a sixth mass extinction.In the last 500 years, human activity is known to have forced 869 species to extinction (or extinction in the wild). One in four mammals and one in eight birds face a high risk of extinction in the near future.Recent studies estimate about eight million species on Earth, of which at least 15,000 are threatened with extinction. It's hard to pinpoint the exact extinction rate because many endangered species have not been identified or studied yet.The International Union for the Conservation of Nature predicts that 99.9% of critically endangered species and 67% of endangered species will be lost within the next 100 years. The five other times a mass extinction has occurred over the past 450 million years, natural disasters were to blame.

Answer 2

Answer:

Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events. According to a recent poll, seven out of ten biologists think we are currently in the throes of a sixth mass extinction.

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