Interactions of Living Things

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Across
  1. 1. a diagram that shows how energy in food flows from one organism to another
  2. 6. a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain
  3. 7. a relationship in which two different organisms live in close association with each other
  4. 10. an organism that eats only plants
  5. 13. a relationship between two species in which one organism benefits while the other is unaffected
  6. 16. a community of organisms and their abiotic environment
  7. 19. part of the environment that consists of the nonliving factors, such as water, soil, light, and temperature
  8. 20. an organism that eats both plants and animals
  9. 21. a relationship between two species in which one benefits while the host is harmed
Down
  1. 2. an organism that eats animals
  2. 3. the part of Earth where life exists
  3. 4. the study of the interactions of organisms with one another and with their environment
  4. 5. the evolution of two species that is due to a mutual influence, often in a way that makes the relationship more beneficial to both species
  5. 8. an organism that is killed and eaten by another organism
  6. 9. an organism that eats all or part of another organism
  7. 11. the largest population that an environment can support at any given time
  8. 12. all the populations of species that live in the same habitat and interact with each other
  9. 14. a group of organisms of the same species that live in a specific geographical area
  10. 15. a diagram that shows the feeding relationship between organisms in an ecosystem
  11. 17. a relationship between two species in which both species benefit
  12. 18. all of the organisms that live together and interact with one another