Across
- 3. Species at risk of becoming endangered
- 5. Protecting natural resources and ecosystems from damage
- 8. Introduction of harmful substances into air
- 9. Decline in habitat quality that reduces the ability of an area to support organisms
- 11. Species with a very high risk of extinction
- 13. Resource that can replenish naturally and is replaced faster than we use it
- 14. The natural environment in which an organism lives
Down
- 1. Complete destruction or removal of a habitat
- 2. Non-native species that disrupt ecosystems
- 4. Repairing ecosystems that have already been damaged
- 6. Habitat broken into smaller pieces
- 7. Resource that forms over millions of years and cannot be replaced quickly
- 10. Variety of life in an ecosystem
- 12. No individuals of the species left alive