History of life on Earth: Methods of dating fossils

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4 Terms

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Methods of dating fossils

Relative dating and radiometric dating.

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Relative dating

A method of determining the age of a fossil by comparing it with another fossil or geological event. It establishes whether something is older or younger.

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Radiometric dating

A method used to estimate how many years ago a fossil or rock was formed.

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Difference between relative and radiometric dating

Relative dating tells us whether a fossil is older or younger than another, while radiometric dating estimates its age in years.