eco-, terra-, aqua-, bio-, -arium

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Across
  1. 3. A person who studies the relationship between living things and their environment
  2. 4. A tract of land divided by regions or districts
  3. 6. The study of life of living organisms
  4. 8. A blue-green color, often found in a gemstone
  5. 12. land
  6. 14. a closed container for keeping plants or small land animals
  7. 16. life
Down
  1. 1. place
  2. 2. a piece of land
  3. 3. an adjective that describes the relationship between living things and their environment
  4. 5. The scientific study of the relationship between living things and their environment
  5. 7. A person who studies the life of living organisms
  6. 9. A channel or pipe used to transport water
  7. 10. A place full or water where fish and other aquatic animals live
  8. 11. house or home
  9. 13. Living or growing in water
  10. 15. water