Scientists know that trilobites lived in an era earlier than the one in which dinosaurs lived. What information helped the scientists infer this?
• There were rock layers that had fossils of both trilobites and dinosaurs.
• Fossils of dinosaurs were found below the layers of rock containing fossils of trilobites
O There were more fossils of dinosaurs in the rock layers than fossils of trilobites.
•. Fossils of trilobites were found below the layers of rock containing fossils of dinosaurs.
Fossils of trilobites were found below the layers of rock containing fossils of dinosaurs.
This information helped scientists infer that trilobites lived in an era earlier than the one in which dinosaurs lived, as the deeper rock layers containing trilobite fossils would suggest they existed before dinosaurs.