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- Seashells are the most commonly fossilized itemsEarth History: What Fossils Tell Us
- To be deemed as such, fossils must be at least 10,000 years oldSan Diego Natural History Museum: Frequently Asked Questions about Paleontology
- Provide evidence of evolutionary processesEarth History: What Fossils Tell Us
- Body fossils are the fossilized remains of organic lifeunmuseum.org: What's a fossil?
- Trace fossils are signs of prehistoric life such as footprintsunmuseum.org: What's a fossil?
- The science of paleontology involves studying fossils
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Remains or traces of prehistoric life that have been preserved are called fossils. Any type of organic matter can become fossilized under the right conditions and fossils may range in size to microscopic bacteria to large dinosaur bones. Items that are harder and denser, such as seashells, bones and teeth are more likely to become fossils than soft tissues.
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Formation
Since organic matter is naturally broken down by the process of decomposition after an organism dies, fossils will only form under specific conditions which prevent this natural decay.Earth History: What Fossils Tell Us Most fossils are formed when an organism is buried under layers of earth. As the earth is compressed into sedimentary rock, minerals replace the organisms' natural matter to produce a replica of the original item in the rock. Fossils may also be created when organisms are frozen or buried during volcanic eruptions.unmuseum.org: What's a fossil?
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Fossils Questions
Do fossils prove specification evolution migration? 1 Answeryes Hofmeyr skull is the first fossil proof of human migration. A 36,000 year old skull from south Africa provides the first evidence that modern humans left Af... read more
What are fossil fuels? 8 AnswersFossil fuels are those created over millions of years by time and pressure from buried plant material. They are hydrocarbons and when burned produce CO2, which ... read more
Can you pterodactyl fossils webpage from Yahoo!? 1 AnswerThe only reason you reach Mahalo when you type your Url into yahoo is because your Url is listed within Mahalo.com and nowhere else, you typed your URL into Mah... read more
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On Twitter Powered by Twitter
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New Fossils! Google THAT.
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HNN > Fossils of dinosaur-era crocodiles found in Sahara: Source: Telegraph (UK) (11-20-09)Five .. http://bit.ly/4MU369
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Fossils of dinosaur-era crocodiles found in Sahara http://bit.ly/4SKbFO
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New Ancient Crocodiles Discovered: Scientists have unearthed fossils belonging to five different species of ancient... http://bit.ly/85Crpn
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RT @NatGeoSociety: STRANGE CROC PICTURES: New Dino-Eater, Galloper, More: Fossils of five "oddball" crocodilia.. htt ...
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