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Home Q & A Board Biology-Related Homework Help General Biology
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Lost4ever Lost4ever
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6 years ago
Sexual dimorphism has arisen as a result of ____.
  a. stabilizing selection
  b. heterozygote superiority
  c. kin selection
  d. sexual selection
  e. directional selection

Question 2

Male mallard ducks have had emerald green head feathers and wings with metallic blue patches for hundreds of years,
  whereas females have been drab, brown-feathered ducks. This phenotypic situation suggests that mallards may be an
  example of ____.
  a. directional selection
  b. Polyploidy
  c. allopatric speciation
  d. disruptive selection
  e. sexual selection
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mapmap
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6 years ago
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Lost4ever Author
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6 years ago
Just got PERFECT on my quiz
2ne1_12345
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Yesterday
This helped my grade so much Perfect
kobbhy
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2 hours ago
Thank you, thank you, thank you!
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