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But really, how do scientists figure out how old their dinosaur bones are?

And, what about other findings like fossil fish, plants and insects?

However, relative methods are , which is that if there are layers of deposits, those laid down first will be on the bottom and those laid down last will be on the top. However, geological strata are not always found to be in a neat chronological order.

Wind and water erode strata and some areas are uplifted or even tilted.

Learn how scientists determine the ages of rocks and fossils.

We'll explore both relative and numerical dating on our quest to understand the process of geological dating.

The age of the fossil must be determined so it can be compared to other fossil species from the same time period.

Consider the following scenario: Paul the Paleontologist is a very famous scientist who has studied dinosaur bones all over the world.

For example, based on the primate fossil record, scientists know that living primates evolved from fossil primates and that this evolutionary history took tens of millions of years.

By comparing fossils of different primate species, scientists can examine how features changed and how primates evolved through time.

Relative dating definition at Dictionary, a free online dictionary with .

use relative dating in a sentence Rembrandt: His Life, His Work, His Time.

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