By being buried quickly so they do not rot and fade away into nothingness.
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Fossils can form from pretty much anything. They normally form from animals fish and objects such as jewelry. Fossils are very unique things and show us what happened in history :) booooooooooggggggggggggiiiiiiiiieeeeeeeee mmmmmmmmmaaaaaaaaaaaannnnnn is a fossil as well ;)
Fossils can be formed by:MummificationPetrificationDesiccationRelated question on Answers.com:How are fossils formed?
There are three basic types of rock; sedimentary, igneous and metamorphic. Igneous rocks are formed by volcanic action and don't contain fossils. Sedimentary rocks are formed, usually under water, by eroded material accumulating. Metamorphic rocks are formed when sedimentary rocks are changed by heating and/or pressure. From this, you can see that sedimentary rocks are the most likely to contain fossils, although metamorphic rocks also can contain fossils. Any sedimentary rock can contain fossils, but some make fossil hunting easier. Shales and mudstones are particularly good; chalk is pretty much entirely made of fossils - it's formed of skeletons of small organisms, but its difficult to see the individual fossils.
Fossils' existence confirms that species are not fixed but can evolve into other species over time
they formed from different types of stars!
by fossils
just like all other fossils
fossils 5 (:
There are a variety of types of fossils. These include cast fossils, mold fossils, petrified wood, as well as fossil fuels.
Sedimentary rocks are rocks that are formed by layers of different things compacting very tightly. These layers can have a lot of different things in them, like fossils. So, sedimentary rocks are partially made up of fossils.
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