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The Oxford Encyclopedia of Evolution by Mark Pagel, ed. New York: Oxford University Press, 2002. The Book of Life: An Illustrated History of the Evolution of Life on Earth by Stephen Jay Gould, ed. New York: W.W. Norton, 1993. Five Kingdoms: An Illustrated Guide to the Phyla of Life on Earth by Lynn Margulis et al. New York: W.H. Freeman, 1998. |
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