Across
- 2. a small number of; less than
- 3. a state in the southern U.S.
- 5. seriously at risk of extinction
- 9. a small animal that lives in a shell
- 10. from another place
- 11. Species an animal or plant that is not native to an area
Down
- 1. 1,000,000,000 or 10^9
- 2. in a wild state
- 4. an animal that preys on others
- 5. a biological community of living organisms
- 6. a long reptile with no spine
- 7. a person born in a specific place who then lives in that place
- 8. a warm-blooded animal
- 12. a person or group that attacks a country