Interactive Science Chapter 5

In which type of ecosystem is the ground frozen beneath the surface all year?

• tundra

• desert

• prairie

• wetland

Plants that do not have competitors in their habitats can

cause change by

• growing so large they block out other plants’ sunlight.

• absorbing more water than other plants.

• providing food for animals.

• all of these answers are correct

Which kind of fossil preserves the hard and soft parts of an animal?

• a trace fossil

• a cast fossil

• a fossil from a tar pit

• a fossil in amber

Why is petroleum considered a nonrenewable resource?

• It is found in the ground.

• It cannot be replaced as fast as it is used.

• It is not make from living things.

• It makes pollution when burned.

All of these are a trace fossil EXCEPT

• a preserved skull

• a footprint

• a nest

• a preserved eggshell

Plants compete for everything in this list EXCEPT

• sunlight

• water

• insects

• space

Which of these is true?

• Renewable resources can run out.

• Renewable resources are not usable unless processed by humans.

• Renewable resources are not able to be used again.

• Renewable resources can be replaced.

If I am in a desert and I find a fossil of a fish that will help me conclude...

• how plants have changed over time.

• how Earth's environment has changed over time.

• how animals once got enough to eat.

• how animals once attracted mates.

All the living and nonliving things in an environment and the many ways they interact is called a(n)

• ecosystem

• habitat

• population

A(n) _____________ is the area or place where an organism lives.

• ecosystem

• habitat

• population