Ecology Vocabulary Crossword

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Across
  1. 4. An organism that gets energy by breaking down the remains of dead organisms
  2. 5. A group of organisms of the same species
  3. 9. A type of symbiotic relationship where one organism hunts another for food
  4. 10. The gradual change in an environment over time
  5. 12. A type of symbiotic relationship where both organisms benefit
  6. 13. An organism that must eat other organisms for energy
  7. 15. An organism that eats both plants and animals
  8. 16. A community of organisms plus their environment
  9. 17. The type of succession that arises where there was not previously any life
  10. 18. A type of symbiotic relationship where organisms fight for limited resources
Down
  1. 1. A type of symbiotic relationship where a host is harmed while the other organism is benefitted
  2. 2. The part of the earth where life exists
  3. 3. A consumer that eats animals
  4. 6. Organisms that use sunlight directly to make their own food
  5. 7. A consumer that only eats plants
  6. 8. A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed
  7. 11. A group of populations in an area
  8. 14. The study of interactions between organisms and their environment