Populations and Communities

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