By Franz M. Wuketits, Francisco J. Ayala, Franz M. Wuketits, Francisco J. Ayala
"I have had trouble explaining the adaptation among organic anthropology and actual anthropology to my colleagues and scholars. This publication will make it easier." --Wenda Trevathan, Ph.D., New Mexico nation collage
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Extra info for Human Biology: An Evolutionary and Biocultural Perspective
Simpson (1944), succeeded as a modern evolutionist because he was breaking away from the old fashions of searching desperately for phylogenies. He was developing and embracing a much newer, dynamic, causal picture of evolutionary change. Simpson in his way was just as much a revolutionary as the others. Probably the time is not yet fully ripe to decide if the truth lies with me or with Bowler. Although much work has been done on the history of evolutionary theory, very little has been done at the meta-level on this grand a range.
They suggested 31 32 2 The Evolution Controversies: An Overview that it would be something that came about naturally but in a sequential form – not an instantaneous appearance of fully functioning life as was supposed by supporters of spontaneous generation. But there would have been a kind of organic evolution leading up to functioning primitive life forms. These ideas of Haldane and Oparin received considerable support in the 1950s, when researchers at the University of Chicago, Harold Urey and Stanley Miller (1953), showed how it would be possible to make some of life’s basic building blocks (amino acids) naturally from inorganic compounds – naturally, under experimental condition similar to what might have been expected back when life was supposedly formed.
Then, second, there is the production of complex molecules from inorganic substances. Mention has already been made of the work of Miller and Urey, and it is still thought that their work holds up well. There would have been precisely the kinds of radiation, electrical storms, etc. that would have given rise to primitive building blocks, particularly amino acids. Next in the Oparin–Haldane sequence you have the question of linking these primitive molecules into long macromolecules, to make the substances we find in cells today: proteins and nucleic acids.