What is relative dating in terms of fossils

A layer that is higher is of later age than a layer that is lower in order.

This means that the oldest are the strata that are lying at the bottom.

Similar layers, thousands of miles apart, come from the same period.

So, fossils in those layers come from the same period as well.

It is possible to tell the number of years ago a particular rock or archeological site had been formed.

Two broad categories of classification methods are relative dating and absolute dating.

This is a method that does not find the age in years but is an effective technique to compare the ages of two or more artifacts, rocks or even sites.

Upper most layers are considered the youngest while the lowermost deposition is considered as oldest.• Relative dating does not tell the exact age, it can only compare items as younger and older.• Absolute dating techniques can tell the exact age of an artifact by employing various techniques, the most popular being C-14 dating.Fossils are important for working out the relative ages of sedimentary rocks.Throughout the history of life, different organisms have appeared, flourished and become extinct.

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Relative fossil dating of ancient species relies upon stratigraphy.

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