Change the Environment Lesson 2 Review

You can tell a fossils age by...

• It's shape.

• How far down it is buried.

• How many bones it has.

I can tell that this fossil comes from an animal that...

(Choose all that apply).

• Could run.

• Was a predator.

• Could swim.

• Had fins.

When an animal is extinct, it...

• No longer exists.

• Has a only a few left.

• Has many years left to live.

• Is popular.

When an animal is endangered, it...

• No longer exists.

• Has only a few left.

• Has many years left to live.

• Is popular.

What is it called when a new organism enters an ecosystem and changes things?

• Extinct species

• Endangered species

• Organisms

• Invasive species

An example of an organism is...

• Kangaroos

• Venus fly traps

• Rocks

• Humans

An example of an environment is...

• McDonald's

• Rainforest

• Antarctica

• Flowers

How could an animal become extinct?

• It eats too much.

• It hibernates.

• A natural disaster.

If a fossil has wings, it can be assumed that the animal it came from could

• Eat smaller animals.

• Fly.

• Jump really high.

An environment includes..

• The animals, plants and living space for organisms.

• Only the living space for organisms.