The Fossil Record

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms, typically found in sedimentary rock.

Front

What is a paleontologist?

Back

A paleontologist is a scientist who studies fossils to understand the history of life on Earth.

Front

What are mold fossils?

Back

Mold fossils are impressions left in rock by decayed or dissolved animal and plant remains.

Front

What are cast fossils?

Back

Cast fossils are formed when a mold is filled with minerals or sediments, creating a replica of the original organism.

Front

What are trace fossils?

Back

Trace fossils provide evidence of the activities of organisms, such as footprints, burrows, or nests.

Front

What is the significance of the fossil record?

Back

The fossil record provides evidence of the history of life on Earth, showing how organisms have changed over time.

Front

What geological processes can expose fossils?

Back

Geological processes such as earthquakes, erosion, and volcanic eruptions can expose buried fossils.

Front

What is a replacement fossil?

Back

Replacement fossils occur when the original material of an organism is replaced with minerals, preserving its structure.

Front

How do fossils form?

Back

Fossils typically form when organisms are buried quickly after death, preventing decay and allowing mineralization.

Front

What is sedimentary rock?

Back

Sedimentary rock is a type of rock formed from the accumulation of sediments, often containing fossils.