Ecosystems Review

All the populations living in the same place form a ____________.

• community

• resource

• ecosystem

• habitat

A living thing that breaks down waste and dead plant and animal matter is called a _______________.

• decomposer

• consumer

• producer

Which of the following is an example of a herbivore?

• coyote

• eagle

• grasshopper

• snake

Which of the following is at the top of the food chain?

• prairie dog

• black-footed ferret

• coyote

Which of these describes how energy flows in a food chain?

• Prairie dogs build a colony

• A snake makes its own food

• Energy is transferred from the sun to a plant

How can a drought harm an ecosystem?

• Plants and animals die without water

• The trees grow faster

• Rain waters the plants

Plants and animals that lived long ago and are no longer living on Earth are called _____.

• extinct

• drought

• fossils

Fossils are often found in _________________ rock.

• marble

• sedimentary

• volcanic

Fossils show how plants and animals have _______________ over time.

• grown

• died

• changed

True or false: Tyrannosaurus Rex could grow as long as a school bus.

• True

• False