Fossils Facts
Fossils Facts
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Interesting Fossils Facts: |
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The majority of fossils are found within sedimentary rocks. |
Fossil beds are public places that allow anyone to look for and collect their own fossils. |
Because sedimentary rocks are used to construct buildings, fossils can sometimes be found within the structure of buildings. |
Most organisms do not leave fossils when they die because most of their parts either decay or are destroyed. |
The best ways for an organism to become a fossil is if it is buried alive or is buried soon after dying. |
Fossils can exist as parts of an organism or traces of an organism such as a footprint or a burrow. |
Petrified fossils are fossils where the bone and other living material have been replaced by deposited minerals. |
Most dinosaur fossils are actually petrified fossils. |
A mold is a type of fossil that occurs when the hard parts of a buried organism dissolve and leaves a hole. |
1When minerals fill molds, it forms another type of fossil called a cast. |
1When waste materials from an animal form a fossil, it is called a coprolite. |
1Imprints are molds of thin objects such as leaves. |
1Some fossils of organisms contain the original matter. These fossils are called unchanged fossils. |
1A lot of unchanged fossils are found in tar pits, amber, and ice. |
1 Trace fossils such as tracks and footprints give clues about animals' size and shape. |