Does radioactive dating produce exact results

At the onset of the 20th century, most scientists had accepted the great antiquity of the earth, the theory of evolution and that humanity had evolved from an ape ancestor, but by 1908 the fossil evidence of early man was scarce.

Biologists included principles from genetics in evolutionary theory during the 1920s and 1930s.

does radioactive dating produce exact results-59

Does radioactive dating produce exact results

Our hominoid line, humans, gorillas, chimpanzees and lesser apes, is one among the superfamily Hominoidea.

See the taxonomic table of primates for two comparative classification shcemes.

Choose: No Frames Layout Choose: Human Evolution Frames .

I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.

Scientists now have accurate methods (see below ) for dating fossils.

methods rely on characteristic faunal and geological patterns to bracket the period when the fossil existed.

( Adaptive radiation is the evolution from an unspecialised ancestral stock of many different species that adapt to a variety of ecological roles (see books)).

Mammals and subsequently humanity may not have become dominant on earth had it not been for the global catastrophe that led to the extinction of the dinosaurs 65 million years ago.

Social forces appear to have directed much of the evolution of humanity but we are still subject to natural selection.

Primate taxonomy (see books: phylogeny, taxonomy, systematics) is in a state of flux due to the discoveries made in primate genetics.

sapiens (including Neanderthals and Cro-Magnon) (see the modern taxonomic classification of humans).

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