Ecology

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Across
  1. 3. The community of organisms that live in a particular area, along with their nonliving environment.
  2. 6. The study of how organisms interact with each other and their environment.
  3. 7. A type of symbiosis in which both species benefit from living together.
  4. 9. An environment that provided the things a specific organism needs to live, grow, and reproduce.
  5. 11. The organism that does the killing in a predation interaction.
  6. 12. A nonliving part of an organism’s habitat.
  7. 14. An organism that parasite lives with, in, or on, and provides a source of energy or a suitable environment for the parasite to live.
  8. 15. A type of symbiosis between two species in which one species benefits and the other species is neither helped nor harmed.
  9. 16. The organism that benefits by living with, on, or in a host in a parasitism interaction.
  10. 20. The largest population that a particular environment can support.
  11. 21. A living or once living part of an organism’s habitat.
  12. 22. The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the time.
  13. 24. All the members of one species living in the same area.
  14. 25. An organism that is killed and eaten by another organism in a predation interaction.
Down
  1. 1. Movement of individuals into a population’s area.
  2. 2. Movement of individuals out of a population's area.
  3. 4. Any relation in which two species live closely together and that benefits at least one of the species.
  4. 5. A type of symbiosis in which one organism lives with, on, or in a host and harms it.
  5. 8. A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
  6. 10. The process by which organisms that are best adapted to their environment are most likely to survive and reproduce.
  7. 13. An environmental factor that causes a population to decrease in size.
  8. 17. The number of individuals in an area of a specific size.
  9. 18. An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment.
  10. 19. How an organism makes its living and interacts with the biotic and abiotic factors in its habitat.
  11. 23. All the different populations that live together in a particular area.