Across
- 1. to protect something from danger (verb)
- 3. catching or killing animals on other people's land without permission (noun)
- 6. very important and need attention immediately (adj.)
- 7. the home of animals (noun)
- 9. cutting down trees in a large area (noun)
Down
- 2. in danger of being harmed (adj.)
- 4. catching too many fish in an area of the sea (noun)
- 5. damaging caused to air, and water by harmful substances (noun)
- 8. the disappearance of an animal species (noun)