a herbivore or in a food chain it would be called the primary consumer
Herbivores eat grass.
herbivores
Gorilla.
a lion eats any animal that eats grass or plants
humans....we eat cows and cows eat grass...
your mumer
Monkeys
The word is Omnivore- meaning an animal that eats plants and animals. Since grass is not an animal, it cannot be an omnivore.
scavenger
A herbivore
wildebeest, antelope