Fossils: Summative Review

How did scientists first learn about plants and animals that existed long ago?

• by reading

• studying fossils

• watching movies

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What is the first step to forming a fossil?

• The plant or animal dies because it has to die before it has the possibility of becoming a fossil.

• The plant or animal dies first because all plants and animals that die become fossils.

• The animal is buried by sediment before it dies.

This is a fossil. Which feature helps you know that this is a plant?

• size

• color

• shape

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In order for a fossil to form, which of the following events must happen FIRST?

• Slowly, minerals in the water replace the bone.

• Sediment covers the bone.

• An animal dies.

• The bone is no longer a bone, but a rock copy.

Lily sees a skeleton of a dinosaur at a museum. What is true about the bones that make up the skeleton?

• The bones are made up of minerals.
• The bones are those of the dinosaur itself.
• The bones were formed from mud that hardened.
• The bones are made up of amber.

When a paleontologist, a scientist who studies fossils, creates a model from dinosaur bones, what are they NOT able to learn about the dinosaur?

• size

• how the dinosaur behaved

• what it ate

• species

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What can we learn about this fossil's environment.

• It was watery because the fossil has BONES.

• It was watery because the fossil has fins.

• It was not watery at all.

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A fossil of a plant or animal that can retain or save water probably lived in a _________________.

• desert

• lake or ocean

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You find a fossilized insect with pinchers that it used to eat grass. What do you learn about the environment of that fossil?

• It didn't have any grass.

• It probably had a lot of grass.

• It was the ocean.

What is something you can learn about this fossil?

• size

• color

• what the growl sounded like

• how it died

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