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I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.
Although the relative difference in single grain ages varies significantly in either direction (up to 70%), there are no systematic variations between the two methods suggesting that this variation is simply due to random sampling effects.
However, we did find systematic offsets in grains that have either very low or very high U concentration.
Between the mid-1930s and mid 1940s geneticists, systematists and palaeontologists collaborated to create a united approach to evolution, the "Modern Synthesis".
erectus (including the Java and Peking hominids - the archetypal Missing Link) and H.
sapiens (including Neanderthals and Cro-Magnon) (see the modern taxonomic classification of humans).
This formed the foundation of the neo-Darwinian evolutionary theory.
We present an extensive dataset of fission track results that were analysed using both LA-ICP-MS and EDM dating.
The samples were selected to represent a variety of compositions, with single grain ages ranging from a few million to over a billion years.
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Evolution & Ecology " (see its HOME PAGE .) The result is that some areas, such as the glossary are shared.