Use the words to fill in the gap

• carbonized
• superposition
• petrification
• mold
• amber
• soft-bodied.
• paleontologist
• relative, absolute
• trace
• evolution
• Mesozoic
• water or ocean
• ancient organisms
• paleontology
• sedimentary
• fossilization
• 66
• evolved
• living
• dinosaurs.  
•  Questions 

• Fossils are the preserved remains or traces of
• The study of fossils is called .
• Fossils are mostly found in rocks.
• The process of turning an organism into a fossil is called .
• A scientist who studies fossils is known as a .
• The age of fossils can be determined using dating and dating.
• The preserved footprint of a dinosaur is an example of a fossil.
• Fossils provide evidence for the theory of .
• The era is known as the "Age of Dinosaurs."
• Fossils of sea creatures found on mountaintops suggest that the land was once covered by .
• The remains of ancient plants trapped in sediment and transformed into coal are called fossils.
• The law of states that in undisturbed rock layers, the oldest layers are at the bottom.
• The process in which minerals replace the organic material in a fossil is called.
• A fossil forms when an organism is buried in sediment, decays, and leaves a hollow space.
• Insects preserved in tree resin, which hardens into , are an example of fossils.
• The Burgess Shale in Canada is famous for its well-preserved fossils.
• The extinction of the dinosaurs occurred about million years ago.
• The fossil record helps scientists understand how species have over time.
• A living organism that has remained unchanged for millions of years is called a fossil.
• The largest fossilized animals ever found are the .