animals

How Does a Cloaca Differ from Most Mammal Openings?

šŸ’” The Answer

  • A cloaca is a single opening for excretion and reproduction.
  • Most placental mammals have separate orifices for each function.
  • Animals with cloaca include amphibians, reptiles, birds, and some fish.
  • This is a key anatomical difference between these groups.

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