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Home Q & A Board Biology-Related Homework Help General Biology
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studyperfect studyperfect
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6 years ago
A keystone species
  a. has a disproportionately large effect on a
  community relative to its abundance
  b. controls the prey species.
  c. may increase or decrease the number of prey
  species in a community.
  d. has a disproportionately large effect on a
  community relative to its abundance, and may
  increase or decrease the number of prey species
  in a community.
  e. has a disproportionately large effect on a
  community relative to its abundance, controls
  the prey species, and may increase or decrease
  the number of prey species in a community.

Question 2

According to the intermediate disturbance
  hypothesis,
  a. species richness becomes greatest in between
  disturbances of moderate intensity or frequency.
  b. a disturbance is necessary during succession in
  order to stabilize the community.
  c. community succession is highly predictable.
  d. competition and other species interactions are
  the most important factors in shaping
  community structure.
  e. a community reverts to a climax state after a
  disturbance.
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shelberszinskershelberszinsker
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6 years ago
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