Geologic Time/Fossils Test

Front

What does petrified mean?

Back

Gradually turned to stone.

Front

Which is the longest unit of time in geologic time scale?

Back

Eon.

Front

What type of fossils are formed in soft sediments?

Back

Imprints.

Front

What is true about the fossil record?

Back

The fossil record is incomplete.

Front

A dinosaur skeleton is classified as what type of fossil?

Back

Body fossil.

Front

What are trace fossils?

Back

Fossils that record the activity of organisms, such as footprints or burrows.

Front

Define the term 'Eon' in geologic time.

Back

The largest division of geologic time, lasting hundreds of millions to billions of years.

Front

What is a body fossil?

Back

A fossil that consists of the actual remains of an organism, such as bones or teeth.

Front

What are imprints in the context of fossils?

Back

Fossils that show the shape or outline of an organism, often found in soft sediments.

Front

What is the significance of the fossil record?

Back

It provides evidence of past life and helps scientists understand the history of life on Earth.