Past lifeforms may also be preserved as frozen remains. Theterm âfossilâ can also include the bodies of prehistoric life,preserved and frozen in glaciers or polar permafrost, or mummified in caves or salt or peat (bog) beds. Fossils can can also be the remains preserved inside drops of amber, like in the insect in the film Jurassic Park. Trace fossils are a record of an organismâs behaviour.Fossil track ways, footprints, casts (the imprint) of animal and plant remains and burrows, are examples of trace fossils.
Major Cities in Area Code 217. 1  Champaign, IL. 2  Charleston, IL. 3  Danville, IL.  Decatur, 1  IL. Quincy, 2  IL. Springfield, 3  IL. Urbana,  IL.
Decatur, Illinois. Decatur /dÉËkeÉªtÉr/ is the largest city and the county seat of Macon County in the U.S. state of Illinois. The city was founded in 1829 and is along the Sangamon River and Lake Decatur in Central Illinois. In 2015, the city's estimated population was 73,254.