Jeffrey H. Schwartz - Species Quotes

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A micromutation can produce what Goldschmidt would have described as macromutation leading to macroevolution. Since mutations in homeobox genes are inherited in the same way that earlier fruit-fly population geneticists understood the inheritance of the alleles for wing lenght or bristle number, we can appreciate that evolutionarily significant novelty—which, in turn, could result in the emergence of a new species—can be passed on from parent to child as easily and simply as eye color.

Jeffrey H. Schwartz
The Bodo skull and the Kaprina and Shanidar Neandertal skeletons raise the possibility that two distinct, non-spaiens species of Homo had had rituals and cultural practices that we have assumed are only within the capacity of members of our own species.

Jeffrey H. Schwartz
The smaller the mammal, the more it is confined to smaller geographic areas. A small mammal is also more susceptible to subtle changes in climate and environment.... On average, the absence or presence of smaller species provides more precise clues to past conditions in an area than does the information gained from study of the bone assemblages of the larger animals.

Jeffrey H. Schwartz
It is frustrating to know, on the one hand, that every living thing on earth will have had a single, unique history—whether it be the life of an individual, of a civilization, of a species, of a diverse evolutionary group—and, on the other, to be constantly in the position of trying to discover it.

Jeffrey H. Schwartz