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5 Written questions

5 Matching questions

  1. Island Biogeography theory
  2. evenness
  3. richness
  4. mimicry
  5. communities
  1. a A mathematical measure of how the total number of individuals in an area are divided among the number of species in an area. In even communities, most species have about the same number of individuals present, where in uneven communities almost all individuals present belong to one species.
  2. b The simple count of number of species in an area.
  3. c All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction
  4. d A defense where one species is selected to look like another species which has an effective defense.
  5. e Predicts the relationship between species richess of a patch and that patch's area and distance to other patches

5 Multiple choice questions

  1. A symbiotic relationship in which the symbiont (parasite) benefits at the expense of the host by living either within the host (as an endoparasite) or outside the host (as an ectoparasite)
  2. A force that changes a biological community and usually removes organisms from it. Disturbances, such as fire and storms, play pivotal roles in structuring many biological communities
  3. The division of environmental resources by coexisting species such that the niche of each species differs by one or more significant factors from the niches of all coexisting species
  4. Species that are not usually abundant in a community yet exert strong control on community structure by the nature of their ecological roles or niches
  5. A symbiotic relationship in which both participants benefit

5 True/False questions

  1. pathogensa disease causing organism

          

  2. biodiversityA defense where one species is selected to look like another species which has an effective defense.

          

  3. secondary successionA type of ecological succession that occurs in a virtually lifeless area, where there were originally no organisms and where soil has not yet formed

          

  4. coevolutionThe mutual influence on the evolution of two different species interacting with each other and reciprocally influencing each other's adaptations

          

  5. herbivoryconsumption of plants

          

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