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5 Written questions

5 Matching questions

  1. herbivory
  2. predation
  3. pathogens
  4. commensalism
  5. coevolution
  1. a A symbiotic relationship in which the symbiont benefits but the host is neither helped nor harmed
  2. b The mutual influence on the evolution of two different species interacting with each other and reciprocally influencing each other's adaptations
  3. c An interaction between species in which one species, the predator, eats the other, the prey
  4. d consumption of plants
  5. e a disease causing organism

5 Multiple choice questions

  1. Predicts the relationship between species richess of a patch and that patch's area and distance to other patches
  2. 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
  3. 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
  4. 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)
  5. Transition 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

5 True/False questions

  1. mutualismA symbiotic relationship in which both participants benefit

          

  2. keystone speciesSpecies that are not usually abundant in a community yet exert strong control on community structure by the nature of their ecological roles or niches

          

  3. evennessThe simple count of number of species in an area.

          

  4. symbiotic relationshipsAn ecological relationship between organisms of two different species that live together in direct contact

          

  5. resource partitioningAn interaction between species in which one species, the predator, eats the other, the prey

          

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