Natural Selection Crossword

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Across
  1. 4. This evolution leads to similar features in distantly related species
  2. 7. A protein used in respiration that shows patterns of evolutionary changes
  3. 8. Antibiotic resistant bacteria
  4. 11. Variation in this DNA is used to trace human evolution
  5. 12. This type of speciation can occur when there is geographical isolation or two populations
Down
  1. 1. An example of a selection pressure
  2. 2. one of the problems with fossil evidence of evolution is that the record is ________
  3. 3. Many of his observations for his theory of natural selection came from the Galapagos Islands
  4. 5. The proportion of these gene loci can be used to calculate genetic diversity within isolated populations
  5. 6. Random fluctuations in allele frequency within a small population can lead to this (7,5)
  6. 9. independently came to the same conclusions as Darwin
  7. 10. This type of speciation can occur when there is reproductive isolation or two populations