Across
- 1. live on farms
- 3. Study things
- 6. threatened to be extinct
- 7. home of organism
- 8. unwanted animals/insects
- 9. used for meat and grazing
- 10. green organism
Down
- 2. wiped out of existence
- 4. main ingredient in flour
- 5. plant life
- 11. the subject you're doing right now