Across
- 1. An extremely cold, dry biome.
- 5. An organism that makes its own food.
- 6. Consumers that only eat plants.
- 8. A tree that produces its seeds in cones and that has needle-shaped leaves.
- 10. A leafy roof formed by tall trees in a forest.
- 11. A layer of shorter plants that grow in the shade of a forest canopy.
- 14. A tree that sheds its leaves and grows new ones each year.
- 15. An area populated by grasses and other nonwoody plants. Get 25 to 75 centimeters of rain each year.
- 17. Consists of the many overlapping food chains in an ecosystem.
- 19. Consumers that eat both plants and animals.
Down
- 2. An area that receives less than 25 centimeters of precipitation a year.
- 3. Consumers that eat only animals.
- 4. A series of events in which one organism eats another and obtains energy.
- 7. Shows the amount of energy that moves from one feeding level to another in a food web.
- 8. An organism that obtains energy by feeding on other organisms.
- 9. Break down wastes and dead organisms and return the raw materials to the ecosystem.
- 12. A carnivore that feeds on the bodies of dead organisms.
- 13. Soil that is frozen all year.
- 16. A group of land ecosystems with similar climates and organisms.
- 18. A grassland close to the equator that receives as much as 120 centimeters of rain per year.
