Looking at their teeth is the first clue. Different kinds of teeth are used for chewing vegitation and different ones are use for eating meat. In some cases they can actually study the dried contents of their stomachs.
the herbivores
Baryonyx and Suchomimus are some dinosaurs that ate fish.
Yes. The carnivores ate the other dinosaurs. For example the T-Rex ate the Triceratops.
yes most dinosaurs ate plants
There were many kinds of dinosaurs some of them ate flesh depending on their size and the size of the prey and some ate plants.
When Crocs Ate Dinosaurs - 2010 - TV was released on: USA: 2010
When Crocs Ate Dinosaurs - 2010 TV was released on: USA: 2010
As they get a better understanding of prehistoric creatures, and more fossilised specimens are uncovered, peoples perception of what the animals physiological appearance was, changes.
They ate plants, fruits and other dinosaurs.
2
theropods ate meat and herbivores ate plants theropods ate meat and herbivores ate plants
The smallest carnivorous dinosaurs, such as Compsagnathus, are insects and small vertebrates. Large carnivorous dinosaurs usually ate large and small herbivorous dinosaurs. Some, however, ate fish, including Spinosaurus and Baryonyx.