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Home Q & A Board Biology-Related Homework Help General Biology
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megandunlap megandunlap
wrote...
Posts: 509
Rep: 2 0
6 years ago
In aquatic systems, which of the following are highly
  resistant to low DO levels in the sediment?
  a. stoneflies and mayflies
  b. carp and goldfish
  c. Tubifex worms
  d. ducks and geese
  e. none of these

Question 2

In aquatic systems, which of the following are the
  first organisms to disappear when oxygen levels
  drop?
  a. stoneflies and mayflies
  b. carp and goldfish
  c. Tubifex worms
  d. ducks and geese
  e. none of these
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Replies
wrote...
#1
6 years ago
Answer to q. 1

Answer: c

Answer to q. 2

Answer: a
megandunlap Author
wrote...
#2
6 years ago
My teacher is very rude and likes to speed his way through a lesson without letting the class ask questions. Thank you for helping me. You're a life saver Slight Smile
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