Across
- 4. A vast river delta and estuary in southern AL
- 6. The variety of life in a particular habitat or ecosystem
- 8. An area of land where all water drains to a common outlet
- 10. A species at risk of extinction due to factors like habitat loss
- 12. A heavy metal that is highly toxic, particularly in its organic form
- 13. A heavily polluted location designated by the government for cleanup and remediation
- 14. Where freshwater meets saltwater
- 15. The natural environment where an organism or species lives
- 16. An area of low-lying ground adjacent to a river
Down
- 1. The introduction of harmful substances or contaminants into the environment
- 2. A persistent and toxic pesticide that accumulates in the environment and poses risks to wildlife and human health
- 3. The protection, preservation, and management of natural resources
- 5. A community of interacting organisms and their physical environment
- 7. The process of particles settling to the bottom of a liquid
- 9. A phenomenon in Mobile Bay where marine creatures, deprived of oxygen, gather at the water's edge
- 11. A barrier constructed across a river to control water flow