The Sixth Mass Extinction
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Questions and Answers

Which of the following statements is true about the 'Sixth Extinction' currently happening?

  • It is the first time in Earth's history that species extinction rates are increasing.
  • It is happening at a slower rate than previous mass extinctions.
  • It is caused by human activities and happening at a faster rate than previous mass extinctions. (correct)
  • It is the result of natural events like climate change and geological activity.

    • What is the estimated difference in species extinction rates between the 'Sixth Extinction' and previous mass extinctions?

  • The current rates are similar to previous mass extinctions.
  • The current rates are 10 to 100 times faster than in pre-human times.
  • The current rates are 100 to 1,000 times slower than in pre-human times.
  • The current rates are 100 to 1,000 times faster than in pre-human times. (correct)

    • According to ecologists, what could be the consequence if present trends continue?

  • An increase in the diversity of species.
  • A decrease in the number of endangered species.
  • Nearly half of all the species on Earth might be wiped out within the next 100 years. (correct)
  • No significant impact on Earth's species.

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