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| The New Dictionary of Cultural Literacy, Third Edition. 2002. |
| punctuated equilibrium |
| The theory that new species evolve suddenly over brief periods of time, followed by longer periods during which there is no genetic change. Punctuated equilibrium is a revision of Darwin’s theory of evolution. (Compare gradualism and catastrophism.) | 1 |
| The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
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