What is radioactive dating of fossils dating permian ru

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( 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.

africanus (Dart, 1925) (including small brained australopithecines) (see books), H.

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There are thus two aspects of the human personality, the physical constitution and the spiritual constitution.Archaeological geology as a science had to precede the proposal of evolution, as an understanding of the immense age of the earth is necessary to understand evolution.Cuvier established amongst the scientific community the fact of extinction.Very simply, there are five basic principles to this theory: [1] Variation has a genetic origin (i.e.is heritable) and arises through processes such as mutation and recombination.

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