Science

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A person who invites guests to a social event and who is responsible for them while they are there (4)
  2. 6. A community of organisms where there are several interrelated ___ chains (7)
  3. 8. A system formed by the interaction of a community of organisms with their physical environment (9)
  4. 10. Any living or extinct member of the family Hominidae characterized by superior intelligence (plural) (6)
  5. 12. The type of environment in which an organism or group normally lives or occurs (7)
  6. 14. Someone who attacks in search of booty (plural) (9)
  7. 15. The number of inhabitants in a given place (10)
  8. 16. A person who uses goods or services (plural) (9)

Down

  1. 1. The prevailing psychological state (7)
  2. 3. Gas in the air that we need to breathe (6)
  3. 4. Large area covered with trees (6)
  4. 5. Land that is covered with trees and shrubs (8)
  5. 7. A community of organisms where each member is eaten in turn by another member (9)
  6. 9. Painting depicting an expanse of natural scenery (plural) (10)
  7. 11. Coins collectively (plural) (7)
  8. 13. A major biotic community characterized by the dominant forms of plant life and the prevailing (5)