| A | B |
|---|
| 50 years from now | half of all species may be extinct |
| scientists don't need to devise | elaborate theories to explain our current disaster |
| exploitation, neglect and overuse of our | killing off our species |
| appalling | horrible, terrible |
| teetering | balancing or going back and forth |
| displaced | removed |
| convert | change to |
| eliminate | remove or get rid of |
| non native | not born there |
| cease | stop |
| descendant | born into a certain family or group |
| glamorous | interesting or exciting, beautiful |
| fungi | eats dead plants or animals |
| Scientists keep _____birds. | close tabs on |
| alarming | shocking |
