An environment can be changed by _____, which washes away soil and plants.

• a flood

• a drought

• a tornado

• a wildfire

How could a wildfire affect the environment of a deer or mouse?

• The animal would need to adapt to other sources of food

• The animal would need to find a new environment to continue living.

• Both are correct

• Neither are correct

A farmer accidentally planted seeds of an invasive species in his field. How is the plant harmful to the environment?

• It can grow slowly

• It will not harm the environment.

• It blocks sunlight and takes nutrients that native plants need

• It is preferred by gardeners over native plants.

When plants and animals cannot adapt to their environment, their population _____.

• dies off

• survives

• grows bigger

• stays the same

Which could happen if people introduced a new animal into an environment?

• The environment will not be affected.

• The animal uses up resources.

• Other animals will create pollution.

• All plants and animals will live longer.

Which is one way humans endanger animals?

• Building national parks

• Cleaning environments where animals live.

• Clearing rain forests.

• Passing laws to control hunting.

Park Rangers work in state or national parks.

• True

• False

Part of the Park Rangers’ job is to...

• lead tours and give information about the park

• go on picnics and throw parties

Wildfires are caused by...

• too much rain

• lack of rain

• deforestation

After a fire, park rangers...

• move away

• go home

• can't do anything about it

• take care of the animals that survived the fire