AP Environmental Science Vocabulary

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Across
  1. 4. Stable plant community in terms of species composition
  2. 5. Sites for waste disposal, composting keeps organic waste out
  3. 8. Second level of the food chain, e.g. grasshopper
  4. 10. Rapid algae growth affecting water bodies
  5. 12. Pollutant concentration increase in higher food chain levels
  6. 15. Soil layer above bedrock, contains weathered minerals
  7. 16. Biome with hot, wet summers and warm, wet winters
  8. 18. Increased acidity in precipitation causing environmental harm
  9. 21. Hereditary change for better environmental fit
  10. 22. Third level of the food chain, e.g. mouse
  11. 23. Lowest level of the food chain, e.g. grass
  12. 24. Gas fuel produced through anaerobic respiration, methane-rich
  13. 26. Conversion of vegetable matter to decayed organic matter for soil enhancement
  14. 28. Organisms consuming organic molecules and waste
  15. 30. Regional biotic community characterized by plant life and climate
  16. 32. Unrelated species evolve similar traits in similar environments
  17. 33. 1930s disaster in Great Plains from land misuse and drought.
  18. 35. Movement of continents due to plate tectonics
  19. 39. Max organisms supported by an ecosystem without degradation
  20. 41. Biome with hot, dry summers and cool, moist winters
  21. 42. Soil layer with organic matter below surface litter
  22. 43. Biome with warm, moist summers and cool, moist winters
Down
  1. 1. Oxygen needed for organic compound decomposition in water
  2. 2. Farming with level row patterns to reduce erosion
  3. 3. Total diversity of living things and their systems
  4. 6. Separate evolution of subpopulations retaining common traits
  5. 7. Prolonged period of abnormally low rainfall causing water shortage
  6. 9. Non-living components in an ecosystem
  7. 11. Horizontal bar graph showing population by age
  8. 13. Surface mining following natural land contours
  9. 14. Living material amount in a habitat, measured by mass or energy
  10. 17. Biome with cold, damp summers and cool, dry winters
  11. 19. 0.036% of atmosphere, human activity adds 5500 million tons/year
  12. 20. Fourth level of the food chain, e.g. hawk
  13. 25. Organism producing own food from inorganic substances
  14. 26. Forms from incomplete combustion, major air pollutant
  15. 27. Removing all trees in a timber tract, increases soil erosion
  16. 29. Planned yearly change of crops for soil conservation
  17. 31. Compounds causing ozone depletion, stable and long-lasting
  18. 34. Production of ammonia in organic matter decomposition
  19. 36. Biome with hot, dry summers and warm, humid winters
  20. 37. Soil layer with accumulated salts and clay particles, subsoil
  21. 38. Meteorological conditions prevailing in a region
  22. 40. Underground water-yielding bed or layer