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Home Q & A Board Biology-Related Homework Help General Biology
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tpost99 tpost99
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6 years ago
Paired lungs are characteristic of ____.
  a. spiders
  b. all birds
  c. all fishes
  d. all amphibian life stages
  e. all insects

Question 2

The least oxygenated blood is indicated by the letter ____.
  a. A
  b. B
  c. C
  d. D
  e. E
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syd_dawssyd_daws
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6 years ago
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tpost99 Author
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#2
6 years ago
Thanks for your help <3
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