Land Use and Ecology

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Across
  1. 2. When fertile land becomes dry like a desert
  2. 3. Areas of open land often used for farming
  3. 4. A community of organisms and their abiotic factors
  4. 5. A growth rate that is increasingly faster with time
  5. 6. ______ factors include living and once living things
  6. 10. A group of the same species together at the same time
  7. 11. Total mass of living matter at each trophic level
  8. 12. Areas containing a city and a governing body
  9. 13. Carrying ______ is the largest sustainable population size
  10. 15. A food ______ shows all the feeding relationships in an area
Down
  1. 1. Another term for farming
  2. 4. ______ pyramids are models representing trophic levels
  3. 7. Multiple populations interacting
  4. 8. The largest level of organization; All the ecosystems together
  5. 9. All the nonliving factors of an ecosystem
  6. 14. A food ______ shows one set of feeding relationships