Across
- 2. – Multicellular kingdom that moves and eats
- 4. – Large-scale tree removal
- 5. – Long-term shifts in Earth's weather patterns
- 9. – Bringing a non-native organism to a new habitat
- 10. – Harmful materials entering nature
- 11. – Catching aquatic life for food or sport
- 12. – Single-celled kingdom with diverse members
Down
- 1. – Kingdom of photosynthetic organisms
- 3. – Unwanted substances polluting an environment
- 6. – Kingdom of bacteria and archaea
- 7. – Decomposers with no chlorophyll
- 8. – Tracking and capturing prey
- 11. – Cultivating crops and raising animals