​In a dangerous situation

​​At risk

​The part of a picture behind the main things.

​​background

The way a person or animal does things.

behaviour

​The lowest part of something.

bottom

​The posibility that something will happen. An opportunity.

​​Chance

Looking after the world its animals, plants, etc.

​​Conservation

​Something that can be very bad for you.

danger

​To free yourself of something you don't want or need.

​​Get rid of

To move from one habitat to another.

​​Migrate

​To watch something or someone carefully.

observe