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David Quammen

Immigration, Extinction, and Island Equilibrium

Equilibrium is an important concept that permeates many disciplines. In chemistry we think about the point where the rate of forward reaction is equal to the rate of backward reaction. In economics we …

Continue readingImmigration, Extinction, and Island Equilibrium

The Founder Principle: A Wonderful Idea from Biology

We’ve all been taught natural selection; the mechanism by which species evolve through differential reproductive success. Most of us are familiar with the idea that random mutations in DNA cause …

Continue readingThe Founder Principle: A Wonderful Idea from Biology

What Can Chain Letters Teach us about Natural Selection?

“It is important to understand that none of these replicating entities is consciously interested in getting itself duplicated. But it will just happen that the world becomes filled with …

Continue readingWhat Can Chain Letters Teach us about Natural Selection?

David Quammen on Why Big Populations Survive and Small Ones Go Extinct

“Big populations don’t go extinct. Small populations do. It’s not a surprising finding but it is a significant one.” *** Why do small populations go extinct? While the answer …

Continue readingDavid Quammen on Why Big Populations Survive and Small Ones Go Extinct

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