Ecology

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Across
  1. 2. a group of populations that live in a particular area and interact with one another
  2. 6. nonliving parts of an ecosystem
  3. 7. struggle between individuals or different populations for a limited resource
  4. 8. relationship between individuals of two different species who live together in a close relationship
  5. 9. the first living things to move into a barren environment
  6. 12. any factor or condition that limits the growth of a population in an ecosystem
  7. 14. study of how living things interact in an environment
  8. 15. an organism that captures light energy and stores some of it
  9. 16. the role a living thing plays in its habitat
  10. 18. animal that eats other animals
  11. 20. interaction in which organisms work in a way that benefits them all
  12. 21. an organism that gets energy by eating plants or animals
  13. 23. an organism that breaks down and eats decaying plants and animals
  14. 25. relationship between two species in which one species benefits while the other is not affected
  15. 27. group of organisms that are so closely related that they can breed together and produce offspring that can breed as well
  16. 30. the movement of water through the environment
  17. 31. a model that shows many overlapping food chains
Down
  1. 1. relationship between two species in which one species benefits while the species it depends on, its host, is harmed
  2. 2. the movement of carbon through Earth’s atmosphere and its ecosystems
  3. 3. groups of organisms of the same species that live in a particular area
  4. 4. living things in an ecosystem
  5. 5. the maximum size that a population can reach in an ecosystem
  6. 10. model showing energy available at each feeding level
  7. 11. a series of events that happen over and over again
  8. 13. an important element that cycles through Earth
  9. 17. living things plus their environment
  10. 19. gradual change in an ecosystem in which one biological community is changed by another
  11. 22. the number and variety of life forms within an ecosystem
  12. 24. the addition of harmful substances to the environment
  13. 26. interaction between two species that benefits both
  14. 28. animal that is being eaten by the predator
  15. 29. natural environment in which a living thing gets all that it needs to live
  16. 31. chain a model of the feeding relationship between a producer and a single chain of consumers in an ecosystem.