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Extinction Quote by Elizabeth Kolbert

“background extinction.” In ordinary times—times here understood to mean whole geologic epochs—extinction takes place only very rarely, more rarely even than speciation, and it occurs at what’s known as the background extinction rate. This rate varies from one group of organisms to another; often…” quote by Elizabeth Kolbert
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““background extinction.” In ordinary times—times here understood to mean whole geologic epochs—extinction takes place only very rarely, more rarely even than speciation, and it occurs at what’s known as the background extinction rate. This rate varies from one group of organisms to another; often it’s expressed in terms of extinctions per million species-years.””

Elizabeth Kolbert

About This Quote

Source Book: The Sixth Extinction by Elizabeth Kolbert, 2014

Background extinction is the slow, constant loss of species over geological time, far slower than mass extinctions.

In simple terms: Species die slowly over time.

Key Takeaway

Recognize normal loss rates.

Themes

science environment history

Mood

thoughtful concerned

Type

educational informative

When to use this quote

  • conservation policy
  • educational curricula
  • public awareness

Key Concepts

biodiversity extinction rates

Questions to Reflect On

  • How does normal loss affect urgency?
  • What policies address slow decline?
A Different Perspective

Background rates mask urgent crises.

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