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Ineedanswers23 Ineedanswers23
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6 years ago
Some large fish allow smaller fish to swim inside of their mouths without eating the smaller ones. The smaller fish get to feed inside the larger fish's mouth, the larger fish gets parasites removed from its teeth. This is an example of
 
  a. reciprocal altruism.
  b. kin selection.
  c. audience inhibition.
  d. the cost-reward model.
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6 years ago
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