Environmental Unit 3

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Across
  1. 3. The process plants use to make food using sunlight
  2. 5. The variety of life in an area
  3. 7. An organism that makes its own food
  4. 8. factor A nonliving part of an ecosystem
  5. 12. chain A sequence showing how energy moves through organisms
  6. 13. The natural home of an organism
  7. 14. A community of organisms and their environment
  8. 15. web Many interconnected food chains
Down
  1. 1. An organism that eats other organisms
  2. 2. level A feeding level in a food chain
  3. 4. The gradual change in an ecosystem over time
  4. 6. An organism that breaks down dead matter
  5. 9. factor A living part of an ecosystem
  6. 10. A trait that helps an organism survive
  7. 11. A large region with a specific climate and organisms