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5 Written Questions

5 Matching Questions

  1. ecosystem
  2. trophic cascade
  3. stabilizing
  4. r-selected species
  5. biosphere
  1. a a fundamental system consisting of a community, its nonliving environment, and the interrupt
  2. b the sum total of living things on Earth and the areas that inhabit
  3. c normal bell curve, middle survive the best
  4. d oppurtunists, high biotic potential (high r), little parental care, high mortality rate, many offspring, generalist niches, poor competitors, good colonizers
  5. e a series of changes in a population sizes of organisms at different trophic levels in a food chain, occurring when predators indirectly promote populations of organisms by keeping the levels in check ex. aspen trees in yellowstone

5 Multiple Choice Questions

  1. to bounce back quickly after being harmed by a disturbance
  2. infectious disease, competition for food or mates, predators, parasites. What do these things have in common?
  3. when one species is benefited while the other feels no effect whatsoever
  4. the extremes are favored for survival of the species (speciation)
  5. an educated prediction that can be tested and proven true or false

5 True/False Questions

  1. habitatlifestyle and how an organism lives


  2. environmental sciencethe collective force of limiting factors which together stabilize population size at its carry capacity


  3. non sequitormembers of the same species who live and potentially breed together


  4. density-independent factorsstorms, natural disasters such as volcanoes pr earth quakes. What do these things have in common?


  5. trophic levelsrank in the feeding hierarcht of a food chain. Organisms higher in the hierarchy consume those lower on it.


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