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5 Written questions

5 Matching questions

  1. geographic isolation
  2. natural selection
  3. founder effect
  4. fitness
  5. single gene trait
  1. a form of reproductive isolation in which two populations are separated by geographic barriers such as rivers, mountains, or bodies of water, leading to the formation of two separate subspecies
  2. b a trait controlled by only one gene
  3. c the process by which organisms with variations most suited to their local environment survive and leave more offspring
  4. d when allele frequencies change as a result of the migration of a small subgroup of a population
  5. e how well an organism can survive and reproduce in its environment

5 Multiple choice questions

  1. uses mutation rates in DNA to estimate the time that two species have been evolving independently
  2. the formation of a new species
  3. form of reproductive isolation in which two or more species reproduces at the same time
  4. takes place when individuals near the center of the curve have higher fitness than individuals at either end
  5. the process of change over time

5 True/False questions

  1. artificial selectionoccurs when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end


  2. analogous structuresbody parts that share common function, but not structure


  3. sexual selectionwhen individuals select mates based on heritable traits, such as size, strength, or coloration


  4. speciesthe formation of a new species


  5. hardy weinberg principlestates that allele frequencies in a population should remain constant unless one or more factors cause those frequencies to change


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