Ecosystems II WP

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Across
  1. 1. an organism that is killed and eaten by another organism
  2. 3. energy role that obtains energy by feeding on other organisms
  3. 6. energy role that breaks down wastes and dead organisms
  4. 9. organism that supports a parasite
  5. 10. type of consumer that eats both plants and animals
  6. 12. energy role that can make its own food
  7. 13. type of consumer that eats only animals
  8. 14. organisms from different species interacting with one another
  9. 17. type of consumer that eats only plants
  10. 20. one organism benefits from the relationship while the other is unaffected
  11. 21. organism that feeds on the cells, tissues, or fluids of another living organism
  12. 22. occurs when more than one individual or population tries to make use of the same limited resource
  13. 24. plants and animals recolonize a habitat after a major disturbance
  14. 25. relationship between two species in which both species benefit
Down
  1. 1. succession in which plants and animals first colonize a barren, lifeless habitat
  2. 2. state of balance within the ecosystem
  3. 4. shows a series of steps in which organisms transfer energy by eating and being eaten
  4. 5. is an organism that obtains the energy it needs by feeding on other organisms
  5. 7. organism that makes its own food
  6. 8. an animal that hunts other animals for food
  7. 11. the position that an organism occupies in a food chain
  8. 15. shows the amount of energy that moves from one feeding level to another in a food web
  9. 16. eats the remains of organisms left behind by other animals
  10. 18. dominant community of plants and animals that come to live in an area
  11. 19. members of a population working together to help one another survive
  12. 23. shows several interrelated food chains