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Home Q & A Board Biology-Related Homework Help General Biology
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littleroberts littleroberts
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6 years ago
From what structure did vertebrate lungs
  originally evolve?
 
  a. fish gills
  b. fish guts
  c. fish lungs
  d. fish throats
  e. fish kidneys

Question 2

The human body temperature is 37 Celsius. If
  a person goes outside on a very cold day, the
  temperature will still be close to 37 Celsius.
  This is an example of
 
  a. pluripotency.
  b. homology.
  c. homeostasis.
  d. differentiation.
  e. regeneration
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yushiyushi
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6 years ago
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littleroberts Author
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#2
6 years ago
Thank you for answering
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