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Title: Is extinction natural? How has the extinction rate changed over time? Why are extinction rates today ... Post by: Lesley0479 on Jan 22, 2018 Is extinction natural? How has the extinction rate changed over time? Why are extinction rates today different than in the past?
What will be an ideal response? Title: Is extinction natural? How has the extinction rate changed over time? Why are extinction rates today ... Post by: Vecksa on Jan 22, 2018 Students should discuss some of the following. Extinction is a natural process. Extinction rates have risen higher than the background extinction rate during several mass extinction events during Earth's history. In the past 440 million years, there have been five major episodes of mass extinction. If current trends continue, the modern era may see the extinction of more than half of all species. While similar in scale to previous mass extinctions, today's ongoing mass extinction is different in two respects. First, humans are causing it. Second, humans will suffer as a result.
Title: Is extinction natural? How has the extinction rate changed over time? Why are extinction rates today ... Post by: Lesley0479 on Jan 22, 2018 A plus for you my friend
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