Carbon dating founded

Posted by / 02-May-2020 10:33

Types of Fossils There are two main types of fossils: body fossils and trace fossils.A body fossil is the physical remains of an animal. Some very small organisms, called microbacteria, leave behind microscopic particles called filaments.

A paleontologist is a scientist that studies fossils.

The two fossil categories can be broken down further.

A cast fossil is a fossil made when an organism that is buried in sediment decays and leave behind a mold, or hollow impression in its shape.

Though there is no one age, a good rule is anything over 10,000 years old can be considered a fossil.

The oldest fossils ever discovered are more than 3.5 billion years old.

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Some fossils are the actual remains of a plant or animal that has been frozen in ice or trapped in a substance like sap. Despite this, there are several different ways for a living thing to become a fossil.

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