Most likely, yes.
mammals have evolved and that climate has changed rapidly like grass, grass wasn't around in the time of the dinosaurs.
None. Dinosaurs went extinct before grass evolved.
No. Wheat is a type of grass and there was no grass in the time of the dinosaurs.
Grass only evolved late in the Cretaceous period so only the dinosaurs near the end of the age of dinosaurs would have had grass available. Remains of early grasses have been found in dinosaur coprolites of this period.
yes
dinosaurs because there were no humans around when the dinosaurs were around.
No
some dinosaurs ley it in water and others in hiding places in trees or sand or in tall grass
Herbivorous dinosaurs included sauropods, stegosaurs, ankylosaurs, hadrosaurs, ceratopsians, and pachycephalosaurs. Grass, however, didn't appear until the end of the Age of Dinosaurs and wasn't common, so dinosaurs would have mainly eaten other plants.
no one did there was not people around when dinosaurs were around
about 65 million years ago was the last of the dinosaurs
Dinosaurs appeared on the earth before Jesus according to the present evidence.