Ecosystem Crossword Challenge

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Across
  1. 2. Nonliving factors in an ecosystem (pp. 68–83)
  2. 4. Organisms that recycle nutrients from dead plant or animal matter (pp. 42–57)
  3. 8. Organisms that obtain energy by eating other organisms (pp. 42–57)
  4. 10. The process by which plants use sunlight to make sugars (pp. 24–41)
  5. 11. A community of organisms interacting with their environment (pp. 68–83)
  6. 12. The natural environment where organisms live (pp. 68–83)
Down
  1. 1. Organisms that make food molecules using energy from sunlight (pp. 24–41)
  2. 3. The variety of species found in Earth’s ecosystems (pp. 130–147 and 166–189)
  3. 5. A close relationship between organisms that may benefit one or both organisms (pp. 102–119)
  4. 6. Living factors in an ecosystem (pp. 68–83)
  5. 7. Organisms of the same species living in an area (pp. 148–165)
  6. 9. Models that demonstrate how matter and energy move through an ecosystem (pp. 42–57)