Ch 11 vocab

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Across
  1. 2. different populations that live together
  2. 3. An environmental factor that prevents a population from increasing
  3. 4. An organism that lives on or in a host and causes harm to the host.
  4. 6. the number of births in a population in a certain amount of time
  5. 8. A symbiotic relationship in which both species benefit from the relationship.
  6. 9. A symbiotic relationship between two organisms of different species where one benefits and the other is harmed.
  7. 11. Scientific study of how living things interact with each other and with their environment
  8. 14. The organism that does the killing in a predation interaction.
  9. 17. A close relationship between two species that benefits at least one of the species.
  10. 18. parts of a habitat that were/are living and interact with an organism
  11. 22. A process in which individuals that are better adapted to their environments are more likely to survive and reproduce than others of the same species.
  12. 25. Number of individuals per unit area
  13. 27. An organism's particular role in an ecosystem, or how it makes its living.
  14. 28. all the members of one species living in an area
Down
  1. 1. nonliving parts of an organim's habitat
  2. 5. group of organisms that can reproduce with each other and those offspring can also reproduce
  3. 7. A behavior or physical characteristic that allows an organism to survive or reproduce in its environment.
  4. 10. A symbiotic relationship between two organisms in which one organism benefits and the other is unaffected
  5. 12. Largest number of individuals of a population that a environment can support
  6. 13. movement of individuals out of an area
  7. 15. Movement of individuals into a population
  8. 16. an environment a specific organism lives in to thrive in
  9. 19. An organism on which a parasite lives and is harmed in a parasitic relationship.
  10. 20. An interaction in which one organism kills another for food.
  11. 21. The number of deaths in a population in a certain amount of time
  12. 23. all the living things that live in a particular area, along with their nonliving environment.
  13. 24. the struggle between organisms to survive in a habitat with limited resources
  14. 26. living thing
  15. 29. An organism that is killed and eaten by another organism.