Unit 8 Test Review Crossword Puzzle

Edit Answers
12345678910111213141516
Across
  1. 3. One organism benefits, the other is harmed
  2. 5. Mutualism, commensalism, and parasitism are ________ relationships.
  3. 7. Hunted by predators for food, like a rabbit
  4. 9. Hunt prey for food, like a lion
  5. 10. Mushrooms are an example of a _________.
  6. 13. Both organisms benefit
  7. 14. Eats both plants and animals
  8. 15. Eats only plants
  9. 16. A limiting factor involving two or more species fighting over something
Down
  1. 1. One organism benefits, the other is unaffected
  2. 2. Eats only animals
  3. 4. The movement of humans into a city
  4. 6. The result of over-grazing farm animals
  5. 8. Always at the base of an energy pyramid
  6. 9. An energy ________ shows how energy in an ecosystem decreases at each level.
  7. 10. The removal of trees from an environment
  8. 11. Food, water, shelter, space are called _______ factors
  9. 12. Primary, secondary, tertiary