Unlike meat, which is easily broken ... This suggests that they were now eating harder plants, or feeding in a different way." Rather than the dinosaurs actively changing what they ate, one ...

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...

The largest meat-eating dinosaurs lived in completely different eras and on totally different continents. Sergey Krasovskiy/Stocktrek Imag / Getty Images/Stocktrek Images ...

"Most crocodilians feed at the surface of the water and ... There were duck-billed dinosaurs, horned dinosaurs, armored dinosaurs, meat-eating dinosaurs, and various crocs, turtles, small mammals ...