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Home Q & A Board Biology-Related Homework Help General Biology
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emmybay02 emmybay02
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6 years ago
Metanephridial organs are common in:
  a. mollusks.
  b. flatworms.
  c. cnidarians.
  d. sponges.
  e. insects

Question 2

The main difference between protonephridia and metanephridia is that:a.
   protonephridia are involved in osmoregulation, while metanephridia are involved in excretion.
  b. protonephridia consist of blind flame cells, while metanephridia consist of tubules open at both ends.
  c. protonephridia are involved in excretion, while metanephridia are involved in osmoregulation.
  d. protonephridia consist of tubules open at both ends, while metanephridia consist of blind flame cells.
  e. protonephridia are found in annelids and metanephridia are found in flatworms
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Kayla1Kayla1
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6 years ago
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emmybay02 Author
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#2
6 years ago
Upwards Arrow Correct again
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#3
4 years ago
thanks you
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#4
3 years ago
thank you
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