CHAPTER 2

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Across
  1. 2. an area that receives less than 25 centimeters of precipitation per year
  2. 4. an organism that can make its own food
  3. 5. species that are carried to a new location by people
  4. 8. the region of shallow ocean water over the continental shelf
  5. 9. an organism that obtains energy by feeding on other organisms
  6. 10. a consumer that eats only animals
  7. 11. soil that is frozen all year
  8. 13. the area between the highest high-tide line and lowest low-tide line
  9. 15. The typical weather pattern in an area over a long period of time
  10. 16. a tree that sheds its leaves and grows new ones each year
  11. 17. a layer of shorter plants that grow in the shade of a forest canopy
  12. 18. a consumer that eats both plants and animals
Down
  1. 1. a consumer that eats only plants
  2. 3. a habitat in which the fresh water of a river meets the saltwater of the ocean
  3. 6. the very slow motion of the continents
  4. 7. a group of land ecosystems with similar climates and organisms
  5. 9. a tree that produces its seeds in cones and that has needle-shaped leaves
  6. 12. the study of where organisms live
  7. 14. an area populated by grasses and other nonwoody plants
  8. 15. a leafy roof formed by tall trees in the forest