Ecosystem

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. The type of environment in which an organism or group normally lives or occurs (7)
  2. 4. A person who uses goods or services (plural) (9)
  3. 10. Of or relating to living organisms (6)
  4. 11. The environment as it relates to living organisms (7)
  5. 13. A heavy odorless colorless gas formed during respiration and by the decomposition of organic (13)
  6. 15. A group of people having a religion, ethnic, profession (9)
  7. 16. A living organism characterized by voluntary movement (6)

Down

  1. 2. How hot or cold something is (11)
  2. 3. The natural world around us (11)
  3. 5. A person who eats all kinds of foods (8)
  4. 6. The star our planet orbits (3)
  5. 7. The part of the earth's surface consisting of humus and disintegrated rock (4)
  6. 8. The number of inhabitants in a given place (10)
  7. 9. An individual living thing. (8)
  8. 12. Gas in the air that we need to breathe (6)
  9. 14. Living thing that grows in soil and makes its own food (5)