Across
- 5. An organism that breaks down wastes and dead animals into raw minerals
- 7. A consumer that eats both plants and animals
- 9. Grasslands located close to the equator
- 12. A process of changing nitrogen into another form of nitrogen
- 14. A consumer that eats only animals
- 16. An organism that is carried into a new environment by humans
- 18. Can make its own food
- 19. A consumer that eats only plants
- 20. Food chains overlapping
Down
- 1. A series of events that show which animal eats another for energy
- 2. A biome populated by mostly grasses and non-woody plants
- 3. Eats other organisms
- 4. Trees that shed their leaves each year, to grow new ones later
- 6. Shows the amount of energy moving through feeding levels
- 8. The way continents slowly move
- 10. Describing the environments on Earth
- 11. Group of land ecosystems with similar climates and characteristics
- 13. The typical weather pattern over a period of time
- 15. The movement of animals into another place
- 17. A type of carnivore that feeds on dead animals
