Techniques used for dating fossils

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The age of fossils can be determined using stratigraphy, biostratigraphy, and radiocarbon dating. Paleontology seeks to map out how life evolved across geologic time. A substantial hurdle is the difficulty of working out fossil ages.

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Lake Turkana has a geologic history that favored the preservation of fossils.

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Part of Hall of Human Origins. Fossils arranged chronologically, for instance, can often suggest evolutionary relationships among species. And fossils of the same age demonstrate the distributions of ancient plants and animals around the world.

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