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Home Q & A Board Biology-Related Homework Help General Biology
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vicmillz vicmillz
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6 years ago
Like the cnidarians, flatworms depend on ____ for achieving circulation and gas exchange.
  a. hemolymph
  b. diffusion
  c. hearts
  d. blood
  e. lungs

Question 2

Which statement best describes a lophophore?
  a. It is a ciliated ring of tentacles surrounding the mouth.
  b. It is a structure used for locomotion in the Lophophorata.
  c. It is the opening also referred to as the anus in the Ecdysozoa.
  d. It is a larval stage found in the Lophotrochozoa and the Ecdysozoa.
  e. It is one of the openings to the excretory system of phylum Platyhelminthes.
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cg5232cg5232
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#1
6 years ago
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vicmillz Author
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#2
6 years ago
Appreciate the effort you put into answering, thank you!
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#3
6 years ago
You're very welcome
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