What is a fossil? Fossil What is a fossil? Answer: A fossil is the preserved remains of a once-living organism. FossilWhat is Geological Time Scale ?Five main types of fossilsHow is a fossil formed? What do fossils tell us? Share this Share on FacebookTweet on TwitterPlus on Google+ Learn More Multiple Choice Question :What is a fossil?How is a fossil formed? What do fossils tell us?Five main types of fossilsWhat is Geological Time Scale ?