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A New Theory Emerges for Where Some Fish Became 4-limbed Creatures

Published: December 28, 2011.
By University of Oregon
http://uonews.uoregon.edu

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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Keywords

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Cluster Centroids (Superclass Keywords)

Fossils, Retallack, Soils, Life, Land, Shale, Cambrian, Ago, Ediacaran, Fossil, Burgess, Million, Geological, Organisms, Complex, Billion, History, Arachnids, Eukaryotes, Years, Heritage, Canada, Early, Prokaryotes, Embryos, Schiffbauer, Diskagma, Trackways, Period, Floodplains, Fish, Metaspriggina, Garwood, Earth, Oligocene, Arches, Specimens, Living, Oxygen, Multicellular, Evidence, Animals, Primate, Rocks, Rukwa, …

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