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Did dinosaurs have a cloaca or an anus?

Updated: 8/10/2023
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15y ago

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A cloaca is a common chamber and outlet into which the intestinal, urinary, and genital tracts open. It is present in amphibians, reptiles (therefore dinosaurs), birds, elasmobranch fishes (such as sharks), and monotremes. Plancental mamals and most bony fishes have an anus.

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15y ago
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14y ago

They have cloaca

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Q: Did dinosaurs have a cloaca or an anus?
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Related questions

What is the medical term meaning anus?

Cloaca


What part of the body is similar to the frogs cloaca?

The anus.


What part of the body is similar to the frog cloaca?

The anus.


What is the difference between anus and cloaca?

anus is an opening through which waste material get excreted but cloaca is a small chamber that is used to pass faecal matte,urine and sperms to the exterior.


What is a snake anus called?

It is called a cloaca, pronounced klo-a-ka


How does a tortoise defecate?

Tortoises defecate through their cloaca, which functions as their anus.


Why do sea cumbers breth threw there anus?

Oxygen when water is pumped through their anus using the muscles of their cloaca.


Does a hoot owl have a anus?

Owls, like all birds, have a cloaca for all excetory functions.


Do cats have a cloaca?

Monotremes, the echidna and platypus, have a cloaca. Monotreme means one hole, and is a reference to the cloaca.


If dinosaurs didn't have penises how did they procreate?

Most dinosaurs likely reproduced by mating, with the male using a cloaca to transfer sperm to the female's cloaca. This method of reproduction is similar to how modern birds reproduce. While the exact mating behaviors of dinosaurs are still a topic of research and debate, this is the current understanding based on fossil evidence and comparisons to modern relatives.


Do monotremes urinate through their anus?

Eggs, urine and feces are all evacuated through the same oriface which is referred to as a cloaca.


Through which organ is liquid waste eliminated from a frog?

Liquid waste from a frog: kidneys to ureters to bladder, and out the cloaca.the cloaca