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Transcript of Fossils
This fossil is the actual
animal or animal part. There are four
types of fossils. How Fossils were formed Scienctist at work Markings made by the activities of animals. They result from the movement of animals across the sediment surface, or the tunneling of animals into the sediment. Examples: footprints, tracks, burrows,nests, eggs Fossil that is made when
the mold is filled in. Example of
mold and cast together This is an imprint of an organism. Palentologist are scientist that study fossils. What Scientist learn from fossils:
*what plants and animals from the past were like
*the history of the earth
*about the environment which organisms live in
*the impact climate change has on living organisms Plants or animals died in or near water and had with a quick burial in mud or sand, which enclosed the body in sediment. Over time more and more sediment covered the remains. As the bones slowly decayed, water which contained minerals seeped in the bones and replaced the chemicals in the bone with rock-like minerals. Bibliography This process results in a heavy, rock-like copy of the original object – a fossil. The most common way fossils were formed Other ways
Amber Freezing Carbonization http://www.enchantedlearning.com/Home.html