[Campbell Biology P.746] Which statement accurately describes a characteristic of rotifers? | Practice Question

Which statement accurately describes a characteristic of rotifers?

  • A: They primarily reproduce sexually and require both males and females.
  • B: They possess a gastrovascular cavity for digestion.
  • C: Their internal organs are housed within a hemocoel, and they have an alimentary canal.
  • D: They are unicellular protists, despite having specialized organ systems.

Explanation

The text states: "rotifers are multicellular and have specialized organ systems... rotifers have an alimentary canal, a digestive tube with two openings, a mouth and an anus. Internal organs lie within the hemocoel."