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5 Written Questions

5 Matching Questions

  1. Existing
  2. microevolution
  3. bottleneck effect
  4. sexual selection
  5. mutation
  1. a change in in structure of a gene or chromosome, only way to create new alleles
  2. b variation in heritable traits within a population plus differential survival/reproduction = change in traits in a population over time
  3. c large original population is suddenly reduced vastly in numbers, only a small number is left and it is likely that this new smaller population has lost alleles, therefore, drift has happened RANDOM
  4. d selection can only act on _________ variation
  5. e natural selection that is related to mating success includes the ability to locate males, courtship behaviors, ornaments the mates find attrative, etc.

5 Multiple Choice Questions

  1. Person who noticed similarity in shape and design among certain organisms, classifying organisms
  2. the biological species concept might not work for _______ organisms
  3. type of selection favors individuals at opposite ends of the phenotypic range
  4. Person who discovered that fossils change over time, noticed geological change, thought a series of catastrophies were responsible for the change in oraganisms
  5. a few individuals are seperated from the source population. These individuals become founders of a new population. The allele frequencies are unlikely to match those of the source population, therefore, drift occurs. It unlikely that the small group contains all the alles of the large population. RANDOM

5 True/False Questions

  1. zygoteresult of the fusion of egg and sperm


  2. genotypemovement of genes from one population to another due to the input of genes from individuals of another population


  3. polymorphismdirrences in size, color, shape, behavior, between the sexes. Ex. Red male cardinal, brown female cardinals.


  4. intersexual selectiontype of selection that favors individuals at one end of the phenotypic range


  5. evolution trapusing old cue in a new environment results in a maladaptive choice, environment changes and the old way doesn't work any more even if it worked every time before. (humans and fast food) (beetle attracted to phermones in field) (beetle that mates with beer bottle)


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