Across
- 2. populated with large numbers
- 7. remains of a prehistoric organism
- 8. biological community of interacting organisms
- 9. action of causing so much damage
- 10. animal species has died out
- 11. action of treating someone unfairly
Down
- 1. action of clearing a wide area of trees
- 3. science of farming
- 4. variety of life in the world
- 5. weight of living organisms
- 6. change,a change in global climate patterns