Across
- 3. receives as much as 120 centimeters of rain each year
- 5. is an area that receives less than 25 centimeters of rain per year
- 7. a group of land ecosystems with similar climates and organisms
- 8. temperature and precipitation in an area
- 9. frozen soil
- 10. Trees trees that produce their seeds in cones and have leaves shaped like needles
Down
- 1. is an area that is populated mostly by grasses and other nonwoody plants
- 2. a second layer of shorter trees and vines
- 4. the tall trees that form a leafy roof
- 6. Trees trees that shed their leaves and grow new ones each year