Fossils and Dinosaurs

Front

What is a fossil formed when part of a living organism decayed and was replaced by minerals that harden into rock?

Back

Petrified fossil.

Front

What is a fossil formed when part of a plant or animal decayed underneath the weight of sediment and left an image of itself on a rock?

Back

Carbon film.

Front

What is a copy of the shape of the organism formed by fine sediment that has been pressed into a mold?

Back

Cast.

Front

What is the process of removing the fossil from the rock around it called?

Back

Excavation.

Front

What is a fossil that is not an actual part of an organism but of something that was left behind, such as a footprint or droppings?

Back

Trace fossil.

Front

What is the study of fossils and ancient life called?

Back

Paleontology.

Front

What type of fossil shows the activity of an organism, like footprints or burrows?

Back

Trace fossil.

Front

What is the term for the hardened remains of an organism, often found in sedimentary rock?

Back

Fossil.

Front

What is the name of the process by which living organisms are preserved in ice or permafrost?

Back

Preservation.

Front

What is the term for the natural process that leads to the extinction of a species?

Back

Extinction.