ECOSYSTEM

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Across
  1. 3. the tundra, desert, ocean, and rainforest are all example of these
  2. 5. The place where living things beings live and reproduce
  3. 7. an attempt to preserve or protect an environment
  4. 8. an organism in food web or food chain that makes its own food
  5. 13. webs a set of interconnected food chains
  6. 15. Ecosystems that have very low rainfall and extreme heat
  7. 16. these organisms, like mushrooms, cause decay by breaking down materials into raw elements
  8. 17. the nonliving parts of an ecosystem
  9. 18. animals are dominated by herbivores and carnivpores
  10. 19. community interact with abiotic factors
Down
  1. 1. act as a decomposer in foow web
  2. 2. any subtance that damages the environment
  3. 4. all of the conditions surrounding an organism
  4. 6. a process by which plants use the sun's energy to make their food
  5. 9. The largest ecosystems on earth
  6. 10. harmful changes
  7. 11. many species living together in a habitat.
  8. 12. Animals that prey on other animals to fill their needs of energy.
  9. 14. artificial ecosystem