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5 Written Questions

5 Matching Questions

  1. coevolution
  2. biodiversity
  3. predation
  4. mimicry
  5. competitive exclusion
  1. a The mutual influence on the evolution of two different species interacting with each other and reciprocally influencing each other's adaptations
  2. b The concept that when populations of two similar species compete for the same limited resources, one population will use the resources more efficiently and have a reproductive advantage that will eventually lead to the elimination of the other population
  3. c All of the variety of life; usually refers to the variety of species that make up a community; concerns both species richness (the total number of different species) and the relative abundance of the different species
  4. d A defense where one species is selected to look like another species which has an effective defense.
  5. e An interaction between species in which one species, the predator, eats the other, the prey

5 Multiple Choice Questions

  1. 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
  2. The simple count of number of species in an area.
  3. 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)
  4. consumption of plants
  5. Predicts the relationship between species richess of a patch and that patch's area and distance to other patches

5 True/False Questions

  1. secondary successionA type of succession that occurs where an existing community has been cleared by some disturbance that leaves the soil intact


  2. ecological successionTransition in the species composition of a biological community, often following ecological disturbance of the community; the establishment of a biological community in an area virtually barren of life


  3. mutualismA symbiotic relationship in which the symbiont benefits but the host is neither helped nor harmed


  4. nicheThe simple count of number of species in an area.


  5. primary 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


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