Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change or mixed with longer periods of little or no change. This Pattern Is Called ___________?

I'm stumped on this question, can anyone help me?

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asked by Gavin
  1. Never Mine about this question, the answer was Punctuated Equilibrium. I actually got the question right. :D

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    posted by Gavin
  2. thanks hat helped :D

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