Ecosystem vocabulary review

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Across
  1. 3. special structures and behaviors that help an organism survive
  2. 6. organisms that are able to make their own food
  3. 7. organisms that rely on plants for food
  4. 10. a feeding pathway of several organisms
  5. 11. is all of the biomes and ecosystems on earth
  6. 16. consumers that eat other animals
  7. 18. all of the living and non living things and how they interact
  8. 19. a system of intersecting chains connecting an organism with what it eats and what eats it
Down
  1. 1. how matter is used and reused by living things
  2. 2. many different organisms within an ecosystem
  3. 4. is a number of organisms of the same species
  4. 5. anything that has mass or takes up space
  5. 8. is a chemical essential for the growth of living things (food)
  6. 9. is a collection of related ecosystems
  7. 12. consumers that eat plants
  8. 13. a single living thing
  9. 14. consumers that eat both plants and animals
  10. 15. the non living things
  11. 17. living things