TITLE

Evolution's Erratic Pace

AUTHOR(S)
Gould, Stephen Jay
PUB. DATE
May 1977
SOURCE
Natural History;May77, Vol. 86 Issue 5, p12
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
Discusses how the geologic record seemed to provide as much evidence for cataclysmic as for gradual evolutionary change. Charles Darwin's defense of gradualism as a nearly universal tempo; Extreme rarity of transitional forms in the fossil record; How stasis and sudden appearance are the two features particularly consistent with gradualism; Major modes in which evolution proceeds.
ACCESSION #
5205055

 

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