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5 Written questions

5 Matching questions

  1. stabalizing selection
  2. Mathus
  3. reduce
  4. allopatric speciation
  5. gametic isolation
  1. a Person who stated that organisms produce more offspring than can survive
  2. b a geographical seperation between species (type of speciation)
  3. c gene flow tends to______ variation between populations
  4. d type of selection favors individuals at the middle of the phenotypic range
  5. e pre-zygotic barrier where mating succeeds but the sperm of one species is not able to fertilize the egg of the other species

5 Multiple choice questions

  1. Person who discovered that fossils change over time, noticed geological change, thought a series of catastrophies were responsible for the change in oraganisms
  2. on average the affects of mutations are deleterious, an accumulation of deleterious effects
  3. a post-zygotic barrier where fertilization occurs but the hybrid offspring do not survive well, either in the womb or after birth
  4. type of selection favors individuals at opposite ends of the phenotypic range
  5. Natural selection is _____ to the past and ______ to the future

5 True/False questions

  1. genetic driftmovement of genes from one population to another due to the input of genes from individuals of another population

          

  2. directional selectiontype of selection that favors individuals at one end of the phenotypic range

          

  3. HuttonPerson who stated that organisms produce more offspring than can survive

          

  4. polymorphismcondition where there are two or more versions of a trait within a population

          

  5. microevolutionchange in allele frequency in a population