- Wikipedia: Punctuated Equilibrium
Hyperlinked article about the theory of evolution which states that changes such as speciation can occur relatively quickly, with long periods of little change in between.
en.wikipedia.org/wiki/Punctuated_equilibrium
- Punctuated Equilibria
Looks at how PE provides paleontologists with an explanation for the patterns which they find in the fossil record.
www.talkorigins.org/faqs/punc-eq.html
- Evolution Library: Punctuated Equilibrium
Introduction to Stephen Jay Gould and Niles Eldredge's model for one kind of evolutionary change.
www.pbs.org/wgbh/evolution/library/03/5/l_035_01.html
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