Populations and Communities

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Across
  1. 5. the individual that is hunted as food
  2. 6. in this symbiosis, the host is not affected
  3. 9. the study of how living things interact with each other and their environment
  4. 10. something that prevents an organism from living or growing in an environment
  5. 12. the part of an ecosystem where an organism lives and feeds is called the organism's ___
  6. 13. in this symbiosis, the host is harmed
  7. 16. the two individuals in a symbiotic relationship are the host and the ___
  8. 17. an organism's particular role an ecosystem
  9. 18. when numbers of a population leave an area in search of better resources
  10. 19. the smallest unit of ecological organization is an ___
  11. 21. when an organism resembles another due to coloration or body characteristics
  12. 22. change in a species over time due to changes in the environment
  13. 23. populations will increase if the ___rate is higher than the __rate (two words)
  14. 25. the living and once living factors in an ecosystem
  15. 27. when a population increases because new individuals are coming into the habitat
  16. 28. the number of organisms per unit area (two words)
Down
  1. 1. the largest population an environment can support is called this (two words)
  2. 2. this process is sometimes referred to as "survival of the fittest" (two words)
  3. 3. if the carrying capacity is exceeded in a population, the population will ___ in number
  4. 4. all the different populations living together make this
  5. 5. the individual that hunts another for food
  6. 7. a trait or behavior an organism has inherited that enables it to prosper in its environment
  7. 8. all members of one species living in a particular area
  8. 11. a community plus the nonliving factors
  9. 14. the struggle between organisms for survival in a habitat with limited resources
  10. 15. interaction where one organism kills another
  11. 20. in this symbiosis, both the host and symbiont benefit
  12. 24. a relationship between two individuals
  13. 26. the factors in an ecosystem that are nonliving