Across
- 2. To bring something back to its original state
- 5. A natural electric spark that can start fires
- 6. Living things that eat other organisms
- 10. Material that adds nutrients to soil
- 12. burn A planned fire used to manage land
- 14. Living and nonliving things interacting in one place
- 15. A biome with mostly grasses and few trees
- 20. Living things that make their own food
- 22. The surroundings where organisms live
- 23. The top layer of earth where plants grow
- 24. Animals living in nature
- 25. A trait that helps an organism survive
Down
- 1. Many different types of plants and animals in one place
- 3. The process of fixing an ecosystem
- 4. Substances in soil that help plants grow
- 7. The place where an organism lives
- 8. Light energy from the sun
- 9. A type of grassland with few trees
- 11. A group of organisms that are alike and can reproduce
- 13. savanna A grassland with scattered oak trees
- 16. Spread out with space in between
- 17. Building or changing land for human use
- 18. A natural process that burns plants and affects ecosystems
- 19. A biome with many trees
- 21. bark A tree covering that protects from fire