the yes

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Across
  1. 4. Characterized by trees that lose their leaves at the end of each growing season
  2. 6. The part of Earth that supports life, including all ecosystems and living organisms
  3. 8. Area in which the vegetation is dominated by a nearly continuous cover of grasses
  4. 9. The downwind side of a mountain, island, or other obstruction
  5. 11. When a new patch of land is created or exposed for the first time
  6. 13. A dry area of land that receives little rainfall and has high evaporation rates
  7. 14. Ground that remains frozen for at least two years in a row
  8. 15. Happens when a climax community or intermediate community is impacted by a disturbance
  9. 16. weather pattern that causes a dry area to form on the leeward side of a mountain range
  10. 18. Dense forest with a high volume of rainfall, tall trees, and a closed canopy
  11. 19. Measures the distance north or south of the equator
Down
  1. 1. The height of an object or point in relation to sea level or ground level
  2. 2. A subarctic forest of short conifer trees that stretches across North America, Europe, and Asia
  3. 3. A large area of land or water with a specific climate, vegetation, and animal life
  4. 5. The first organisms to colonize a barren or disturbed environment
  5. 7. A graph that shows a location's average temperature and precipitation over time
  6. 10. Toward or turned toward the direction from which the wind is blowing
  7. 12. A plant species that represents the final stage of ecological succession in an area
  8. 17. A directional, predictable change in community structure over time
  9. 20. A biome of treeless, frozen ground and the coldest of all the biomes