Unit 1 Lesson 5 Review

Front

What are most likely to form fossils?

Back

Organisms with hard parts.

Front

An insect trapped in amber is an example of what type of fossil?

Back

Whole Body fossil.

Front

Which organism is most likely to form a fossil?

Back

Horseshoe crab.

Front

What happens when an insect gets stuck inside resin that hardens into amber?

Back

It becomes a Whole body fossil.

Front

What can fossils tell us about dinosaurs?

Back

They can tell us how the dinosaur moved.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism.

Front

What type of fossil is formed when an organism leaves an imprint?

Back

Mold fossil.

Front

What type of fossil is created when minerals fill in a mold?

Back

Cast fossil.

Front

What is a trace fossil?

Back

A trace fossil is evidence of an organism's activity, like footprints.

Front

Why are hard parts of organisms more likely to become fossils?

Back

Hard parts resist decay and are more likely to be preserved.