How radiometric dating supports the theory of evolution

how radiometric dating supports the theory of evolution

Paleontology seeks to map out how life evolved across geologic time. Homologous sequences are considered paralogous if they were separated by a gene duplication event; if a gene in an organism is duplicated to occupy two different positions in the same genome, then the two copies are paralogous. All conform to the basic pentadactyl pattern but are modified for different usages. Since such isotopes are thought to decay at consistent rates over time, the assumption Radioactive Decay Rates Not Stable.

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Radiometric Dating

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The bones of this Tyrannosaurus rex were preserved through the process of permineralization, which suggests that this organism was covered by sediment soon after death.

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Evidence for evolution

But for humans whose life span rarely reaches more than years, how can we be so sure of that ancient date? The geographic distribution of organisms on the planet follows patterns that are best explained by evolution in conjunction with the movement of tectonic plates over geological time. As these abiotic factors change, the composition of plant and animal communities also changes. Today, members of this plant family are found throughout the southern hemisphere shown in red.

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