Ecosystem

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Across
  1. 3. naturally occurring in
  2. 6. .
  3. 9. components in ecosystem.
  4. 10. living components of
  5. 11. network of several interconnected
  6. 13. that feed on dead material.
Down
  1. 1. area.
  2. 2. eat plants and meat.
  3. 4. place where organisms live.
  4. 5. source of energy of plants .
  5. 7. eat only plants .
  6. 8. step in a food chain.
  7. 12. chain.