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Home Q & A Board Biology-Related Homework Help General Biology
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D_o_m D_o_m
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6 years ago
Adaptations for flight in birds include all EXCEPT
  which of the following?
  a. sound production
  b. lightweight bones
  c. feathers
  d. efficient respiration
  e. four-chambered heart

Question 2

Birds and crocodiles share which of the following
  characteristics?
  a. ectothermy (body temperature regulated by
  environment)
  b. body hair
  c. four-chambered heart
  d. lung design
  e. light-weight bones
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LakajLakaj
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6 years ago
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D_o_m Author
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#2
6 years ago
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