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Home Q & A Board Biology-Related Homework Help General Biology
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Alexis23 Alexis23
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6 years ago
The persistence of malaria and sickle-cell anemia in a population is a case of _____.
 
  a. bottlenecking
  b. balanced polymorphism
  c. natural selection
  d. artificial selection
  e. balanced polymorphism and natural selection

Question 2

Sexual selection, such as occurs when males compete for access to fertile females, frequently influences aspects of body form and can lead to _____.
 
  a. male/female differences
  b. male aggression
  c. exaggerated traits
  d. all of these
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dindsidindsi
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6 years ago
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Alexis23 Author
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#2
6 years ago
Exactly what I needed for my quiz Smiling Face with Open Mouth
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