Abrupt Appearance

ABRUPT APPEARANCE OF THE HIGHER TAXA—

(*#9/22 Abrupt Appearance *) The smaller, slower-moving creatures appear suddenly in the Cambrian. Above the Cambrian. the larger. faster creatures appear just as suddenly! And when these life-forms do appear—they appear by the millions! Tigers, salmon, lions, pine trees, gophers, hawks, squirrels, horses, and on and on!

Evolution cannot explain this sudden emergence, and competent scientists acknowledge the fact:

"The abrupt appearance of higher taxa in the fossil record has been a perennial puzzle. Not only do characteristic and distinctive remains of phyla appear suddenly, without known ancestors, but several classes of a phylum, orders of a class, and so on, commonly appear at approximately the same time, without known intermediates."—*James W. Valentine and *Cathryn A. Campbell, "Genetic Regulation and the Fossil Record," in American Scientist, November-December, 1975.

"In spite of these examples, it remains true, as every paleontologist knows, that most new species, genera, and families, and that nearly all categories about the level of families, appear in the record suddenly and are not led up to by known, gradual, completely continuous transitional sequences."—*G.G. Simpson, The Major Fseatures of Evolution (1953), p. 360.

"The sudden emergence of major adaptive types as seen in the abrupt appearance in the fossil record of families and orders, continued to give trouble. The phenomenon lay in the genetic no-man's land beyond the limits of experimentation. A few paleontologists even today cling to the idea that these gaps will be closed by further collecting . . but most regard the observed discontinuities as real and have sought an explana-tion."—*D. Dwight Davis, "Comparative Anatomy and the Evolution of Vertebrates, " in Genetics, Paleontology, and Evolution (1949), p. 74.

0 0

Post a comment