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.
Illinois Area Codes. Each of the 13 area codes in Illinois are listed below. The Illinois area code listing below lists area codes in several sections. First, IL area codes by city are shown for the largest cities in Illinois. Next, the list shows Illinois area codes by number.