Earths History

Front

Scientists who study fossils are called?

Back

Paleontologists

Front

A cast is a solid copy of the ____ of the organism.

Back

shape

Front

What is absolute age?

Back

The number of years passed since the rock formed

Front

What era are we currently living in?

Back

Cenozoic

Front

What is relative age?

Back

A rocks age compared to the ages of other rocks.

Front

What are fossils?

Back

Remains or traces of ancient organisms preserved in rock.

Front

What is the process of fossilization?

Back

The process by which organic material is replaced by minerals over time.

Front

What is a sedimentary rock?

Back

A type of rock formed by the accumulation of sediments.

Front

What does the term 'geological time scale' refer to?

Back

A system of chronological dating that relates geological strata to time.

Front

What is the significance of the Cenozoic era?

Back

It is the current geological era, known as the 'Age of Mammals.'