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A New Theory Emerges for Where Some Fish Became 4-limbed Creatures
Published: December 28, 2011. by University of Oregon 
A small fish crawling on stumpy limbs from a shrinking desert pond is an icon of can-do spirit, emblematic of a leading theory for the evolutionary transition between fish and amphibians. This theorized image of such a drastic adaptation to changing environmental conditions, however, may, itself, be evolving into a new picture.
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| Cluster Centroids (Superclass Keywords) | |
Fish, Crinoids, Shubin, Chicago, Crinoid, Armstrong, Fossil, Transitional, Limb, Predator-Prey, Tetrapods, Floodplains, Elephant, Retallack, Tiktaalik, Anatomical, Limbs, Soils, Genetic, Fossils, Expression, Sallan, Holocephalans, Famine, Schindler, Romer, Kammer, Hangenberg, Embryos, Guts, Schneider, Rays, Gene, Assume, Deserts, Predator, Defenses, Development, Phd, Eggs, Moore, Daniel, Timing, Excess, Drying, Gill, Sharks, Humid, Enables, Organismal, …
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