crossword

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Across
  1. 5. taking in oxygen and liberating carbon dioxide
  2. 6. an organism that makes its own food.
  3. 8. It is shown as rain, snow, hail, and sleet
  4. 12. the process of exhalation of water vapor through the stomata.
  5. 14. organism able to form nutritional organic substances from inorganic substances
  6. 15. feeds mostly on plants
  7. 16. several hierarchical levels in an ecosystem like a food chain
  8. 18. process that changes liquid water to gaseous water
  9. 19. when a new patch of land is created or exposed for the first time.
Down
  1. 1. carnivores
  2. 2. They eat plants or algae—and nothing else.
  3. 3. rate of energy that is added to the bodies of organisms
  4. 4. breaks down chemical substance
  5. 7. Process of absorption of vitamins, minerals, and other chemicals
  6. 8. Makes its own energy using sunlight and carbon dioxide
  7. 9. an animal which feeds on dead organic material
  8. 10. life in a community after a major disturbance
  9. 11. living organisms made material, such as plants and animals.
  10. 13. eats the secondary consumers
  11. 17. A community of living organisms that interact with each other