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mschares mschares
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6 years ago
How might secondary contact result in a cline?
 
  a. Reproductive character displacement completes the speciation process.
  b. Hybrid matings may have low fitness.
  c. Reproductive isolation is partially complete and a spatial gradient of hybrids forms.
  d. Reproductive isolation is incomplete and the two populations form a single species without spatial variation.
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6 years ago
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