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Home Q & A Board Biology-Related Homework Help General Biology
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kellydevenney kellydevenney
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6 years ago
Adult insects exchange respiratory gases primarily by means of:
 
  a. spiracles only
  b. tracheal tubes and spiracles
  c. lungs
  d. gills
  e. body surface

Question 2

Which annelid subgroup has many chitin-reinforced bristles called chaetae on their segments?
 
  a. polychaetes
  b. oligochaetes
  c. leeches
  d. earthworms
  e. tapeworms
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TokeloTokelo
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6 years ago
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3 years ago
Thanks
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