Across
- 2. consumers that eat only plants
- 3. a system of interlocking and interdependent food chains
- 4. an organism that can make its own food.
- 6. a group of land ecosystems with similar climates and organisms
- 7. the amount of energy that moves from one feeding level to another in a food web
- 10. organism that obtains energy by feeding on other organisms
- 12. a carnivore that feeds on the bodies of dead organisms
- 15. that produce their seeds in cones and have leaves shaped like needles.
- 17. consumers that eat only animals
- 18. an area that receives as much as 120 centimeters of rain each year
- 19. a second layer of shorter trees and vines
Down
- 1. organisms in ecosystems that break down wastes and dead organisms
- 5. trees that shed their leaves and grow new ones each year
- 8. consumers that eat both plants and animals
- 9. frozen soil
- 11. an area that receives less than 25 centimeters of rain per year
- 13. the series of events in which one organism eats another and obtains energy
- 14. an area that is populated mostly by grasses and other non-woody plants
- 16. tall trees that form a leafy roof
- 20. extremely old and dry biome
