Q. Which of the following animals is known to possess the gizzard, also known as the ventriculus, gastric mill, or gigerium, in its digestive tract?
Answer: Archosaurs
Notes: The gizzard is an organ that grinds food in the gastric mill similar to the way humans use teeth. It is present in certain animals like archosaurs (includes dinosaurs, birds and crocodiles), some types of fish, and some crustaceans. In birds, it is often aided by bits of grit or stone that the animal has swallowed. It is not present in mammals, including primates and giraffes.

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