Gastroliths are stones that are used by the digestive systems of some animals to perform mechanical digestion. Fossilized gastroliths have been found with dinosaur skeletons. What does this evidence suggest about the digestive systems of dinosaurs?

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Gastroliths are most commonly associated with the presence of a gizzard, an organ found in some animals that uses stones to grind up food, aiding in digestion. The discovery of gastroliths with dinosaur skeletons suggests that these dinosaurs likely had a similar digestive organ, indicating they had gizzards.

Gastroliths Are Stones That Are Used by the Digestive Systems