Triceratops didn't eat any animal. It was a herbivore.
the rhino
Predator.
Yes, Triceratops were a prey animal. The only predator that could threaten adults, however, was the T-Rex. Triceratops used its horns and potentially lived in herds to protect itself.
None that we know of. The triceratops was believed to be the very last of the large herbivorous dinosaurs. The modern rhino bears some resemblance, but is not even distantly related to triceratops.
why is the upper river with its fast flowing steep valley suitable for animal grazing
as a species 3000 years an an animal 5-8
animal grazing
A 3-horned chameleon, its true. A dinosaur is sortive an animal so triceratops
the sun's energy goes into the grass and then the grazing animal eats the grass!
Animal Husbandry
Triceratops was a quadrupedal land animal. It didn't have wings or fins, and technically the end of the forelimb is a foot, not a hand, unless the animal is at least partly bipedal. Its front feet each had three toes.