The Land is Pretty!

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Across
  1. 4. the interaction of individuals that vie for a common resource
  2. 6. shedding its leaves annually
  3. 9. the doctrine that mutual dependence is necessary to social well-being
  4. 11. an animal that is hunted and killed by another for food
  5. 12. a group of cone-bearing seed plants
Down
  1. 1. a luxuriant dense forest rich in biodiversity
  2. 2. a large open area of country covered with grass
  3. 3. an association between two organisms in which one benefits and the other derives
  4. 5. an animal that naturally preys on others
  5. 6. a barren area of landscape
  6. 7. a vast, flat, treeless Arctic region
  7. 8. nonmutual relationship between two organisms in which one benefits at the expense of the other
  8. 10. interaction between two different organisms living in close physical association