Ch.3 Patterns of Natural Vegetation

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Across
  1. 3. process of plants converting sunlight into energy or growth
  2. 6. change from fertile land into desert
  3. 9. enjoying nature with low environmental impact
  4. 11. vast Arctic region without trees where the soil is frozen all year
  5. 13. at risk of becoming extinct
  6. 15. place where a plant or animal lives
  7. 16. the variety of life on Earth
  8. 18. between the Tropic of Cancer and Capricorn
Down
  1. 1. decaying plant and animal matter found in the soil's top layer
  2. 2. non-native species that cause harm to the environment
  3. 4. species that develop naturally in an area
  4. 5. to clear a forest from an area
  5. 7. north of the Tropic of Cancer, south of Capricorn
  6. 8. tamed wild animals or adapted wild plants for human use
  7. 10. interactions that link living and non-living parts of the environment
  8. 12. species that aren't natural to an environment
  9. 14. loss of all individuals of a species
  10. 16. of the North or northern regions
  11. 17. an area or region beyond where trees grow