Science Test Chapter 4

All the nonliving things that surround a living thing is...

• community

• population

• environment

All the different living things in an ecosystem are...

• community

• population

• environment

All the plants or animals of the same kind that live in an ecosystem are...

• community

• population

• environment

When one part of a food web changes, the whole food web is affected.

• True

• False

An ecosystem is made up of all the living things and their environment in a certain area.

• True

• False

Ecosystems stay the same.

• True

• False

The number of living things an ecosystem can support depends on the resources available.

• True

• False

Plants use energy from the sun to make food. Plants are...

• Carnivores

• Consumers

• Decomposers

• Producers

Animals and humans must eat other things to get energy. They are...

• Carnivores

• Consumers

• Decomposers

• Producers

Living things that break down dead things and wastes and add nutrients to the soil are called...

• Carnivores

• Consumers

• Decomposers

• Producers