Biosphere Crossword

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Across
  1. 1. The position of an organism in the ecosystem
  2. 7. The different regions on the Earth’s surface
  3. 8. Substances that takes part in or causes a change and reaction
  4. 10. The number of animals in an area
  5. 12. A form of symbiosis in which neither animal is harmed or benefits
  6. 14. Changing to survive your environment
  7. 17. A living factor in an ecosystem
  8. 18. An animal that eats plants
  9. 19. The maximum population of a species in a community
  10. 21. The creation of other organisms
  11. 22. Different species inside an ecosystem
  12. 23. The process in which plants use the sun to make food
  13. 25. The hunting of other animals
  14. 27. The action of breathing
  15. 28. Two species that need one another to survive
  16. 30. Abiotic and biotic factors working with each other
Down
  1. 2. The place where an organism makes its home
  2. 3. A large natural community of plants, animals, and abiotic factors
  3. 4. When one environment goes through a change, creating a new one
  4. 5. An organism that makes its own food
  5. 6. A meat eating organism
  6. 9. An excessive level of algae in a pond
  7. 11. An animal that eats other organisms to get energy
  8. 13. A factor in an environment that limits a population
  9. 15. An organism that eats producers and consumers
  10. 16. Non- living factors in an ecosystem
  11. 20. An organism that eats dead organisms
  12. 23. The first species to an enter environment after primary succession
  13. 24. Symbiosis beneficial to both organisms
  14. 26. Organisms that live on other organisms that harm or benefit the other
  15. 29. A similar group of animals that can reproduce with each other