Ch 8 Understanding Population

12345678910111213141516171819202122
Across
  1. 5. individuals fight over resources when feeding (2 words, no space)
  2. 7. number of individuals per unit area or volume
  3. 8. an organism that lives in or on another organism
  4. 11. the set of individuals within a species living in the same place at the same time
  5. 15. a relationship in which different individuals or populations attempt to use the same limited resource
  6. 16. occurs in the population that grow faster and faster and have plenty of food and space (2 words, no space)
  7. 17. the organism that is fed upon
  8. 19. a relationship in which 2 species live in close association
  9. 20. when a specie consumes resources at the same rate at which the ecosystem produces the resource (2 words, no space)
  10. 21. a close relationship between 2 species in which each species provides a benefit to the other
  11. 22. the individual gets the most resources the fastest without fighting is the winner (2 words, no space)
Down
  1. 1. the maximum number of offspring that each member of the population can produce (2 words, no space)
  2. 2. a relationship in which one species benefits and other species is neither harmed nor helped
  3. 3. the relationship where there is a parasite and a host, win-lose
  4. 4. the population size where birth rates and death rates are equal (2 words, no space)
  5. 6. the percentage change in the size of population over a give period of time (two words, no space)
  6. 9. a location where the specie lives
  7. 10. the range of conditions in which a specie can survive
  8. 12. when each species uses less of the niche than it is capable of using (2 words, no space)
  9. 13. an organism that feeds on another organism
  10. 14. total number of individuals
  11. 18. the arrangement of its individuals in space