Earth's History: Fossils

Front

What can scientists infer if they find a fossil of a fish in a certain area?

Back

That water once covered the area.

Front

What is the correct sequence of rock layers from oldest to youngest?

Back

C, E, D, B, A

Front

What are the three ways fossils are formed?

Back

Imprints, casts, and molds.

Front

Why is the fossil record considered incomplete?

Back

Fossils get eroded away over time, most organisms never became fossils, scavengers and decomposers eat them too quickly, all of the above.

Front

True or False: Fossils can provide evidence of how life has changed over time and clues about past environments.

Back

True.

Front

What is a fossil?

Back

A preserved remains or traces of ancient organisms.

Front

What are the different types of fossils?

Back

Body fossils, trace fossils, and chemical fossils.

Front

How do fossils help scientists understand Earth's history?

Back

They provide evidence of past life forms and environmental conditions.

Front

What is the significance of sedimentary rock in fossil formation?

Back

Sedimentary rock is where most fossils are found because it forms in layers that can trap and preserve organisms.

Front

What is a mold fossil?

Back

A mold fossil is a cavity in the rock that reflects the shape of the organism.