All the nonliving things surrounding an organism are called .

• the environment
• adaptations

• an ecosystem

All living things are called .

• prey

• organisms
• partnerships

A change in a characteristic of a living thing that allows it to survive in its environment is called .

• an adaptation
• an ecosystem

• migration

Anything that can meet a need of a living thing is .

• an adaptation

• competition

• a resource

Some animals from one ecosystem to another to find food and water.

• migrate
• adapt

• hibernate

During the coldest months of the year, some animals .

• compete

• camouflage

• hibernate

The living and nonliving things in an area are called .

• the environment

• an ecosystem
• a pod

Anything that makes the air, water, or land dirty is called .

• migration

• pollution
• adaptation

Competition occurs when living things use different resources.

• True

• False

Some living things work together in partnerships.

• True

• False