In which of the following Cloaca which is the posterior opening that serves as the only such opening for the intestinal, reproductive and urinary tracts is present?
Q. In which of the following Cloaca which is the posterior opening that serves as the only such opening for the intestinal, reproductive and urinary tracts is present?
Answer: Aves, Amphibians and Reptiles
Notes: Cloaca which is the posterior opening that serves as the only such opening for the intestinal, reproductive and urinary tracts is present in Aves, Amphibians and Reptiles. A cloaca is not present in placental mammals.

 

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