Across
- 7. the science or practice of farming
- 8. where a community of living organisms live
- 9. planet on which we live
- 10. process by which fertile land becomes desert
Down
- 1. variety and variability of life on Earth
- 2. clearing a wide area of trees
- 3. natural home or environment of an animal, plant, or other organism
- 4. plants, animals, the landscape, and other features and products of the earth
- 5. living on or in the ground; not aquatic, arboreal, or aerial
- 6. synonym for ground