3rd-Ch.4 Lesson 2 Science " Changes Affect Living Things" Review

In an ecosystem, what do all living things depend on?

• each other

• food from plants

• recycling

• bright sunlight

What happens when there is no rain for a long period of time?

• a watering hole may form

• a flood can occur

• a drought can occur

• mildew can occur

What do plants and animals have that help them survive in their environment?

• prey

• ability to store water

• resistance to fires

• adaptations

Study the chart. Which animal most likely needs to be protected?

• dog

• marine turtle

• dodo bird

• house cat

Critical Thinking: How can a drought lead to a wildfire?

• It has too much water.

• Trees and other plants become dry during a drought. Lightening strikes a dry area, a wildfire can start quickly.

• A fire can't start during a drought.

• It will become wet, then dry. So that causes a fire to start.