Across
- 2. Tall trees with a leafy roof
- 3. Breaks down food for energy
- 5. Series of events when animals get eaten
- 7. Animals that eat meat and plants
- 8. Animals that eat plants
- 9. a group of ecosytems
- 12. continents slow movement
- 13. Populated mostly by grass
- 17. a way for organisms to travel
- 19. Organism that can make its own food
- 20. Feeds on dead animals
Down
- 1. trees trees that shed their leaves
- 4. A new species in a habitat
- 6. Study of where organisms live
- 10. second highest level of trees
- 11. Animals that eat meat
- 14. an area with less than 25cm of rain a year
- 15. A bunch of food chains put together
- 16. receives as much as 120 centimeters of rain each year.
- 18. Obtains energy from other organisms
