Example 3 - (see Figure 1.4.4 below). Based upon the...

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Example 3: human-apes "All advances by degrees in Nature, and nothing by leaps, and this law as applied to each, is part of my doctrine of Continuity. Although there may exist in some other world species intermediate between Man and the Apes, Nature has thought it best to remove them from us, in order to establish our superiority beyond question. I speak of intermediate species, and by no means limit myself to those leading to Man." Gottfried Wilhelm Leibniz Protogaea 1749 One of the most celebrated examples of transitional fossils is our collection of fossil hominids
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Unformatted text preview: (see Figure 1.4.4 below). Based upon the consensus of numerous phylogenetic analyses, Pan troglodytes (the chimpanzee) is the closest living relative of humans. Thus, we expect that organisms lived in the past which were intermediate in morphology between humans and chimpanzees. Over the past century, many spectacular paleontological finds have identified such transitional hominid fossils. Figure 1.4.4. Fossil hominid skulls . (Images 2000 Smithsonian Institution .) (larger 76K JPG version)...
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