Environmental Ch. 5

1234567891011121314151617181920
Across
  1. 1. The bottom zone of ocean life, where there is no light
  2. 5. A treeless plain that stays frozen most of the year and receives very little precipitation
  3. 8. A marine ecosystem where freshwater and salt water meet
  4. 10. Thousands of acres of tropical rain forest have been lost to ______
  5. 12. The _____ of seawater refers to the amount of salt dissolved in it
  6. 13. the "roof" of the tropical rain forest
  7. 14. tall trees that grow through the rain forest canopy
  8. 15. Permanently frozen ground at high altitudes and elevations is _______
  9. 17. Trees that lose their leaves in the winter
  10. 19. The deepest part of the ocean
  11. 20. The top zone of ocean life, which gets sunlight all year
Down
  1. 2. Dry grasslands in coastal areas are _______
  2. 3. small trees and shrubs below the rainforest canopy
  3. 4. special roots that help support some trees and make them more stable
  4. 6. layer of decomposing material that covers the forest soil
  5. 7. _________ are wetlands that are washed by the tides
  6. 9. The ____ of a river is the place where it enters a larger body of water
  7. 11. The distances north or south of the equator
  8. 16. The ____ is a coniferous forest
  9. 18. The biome that receives very small amounts of precipitation and high temperatures