Because they have evolved a nutritional strategy that means that they can survive by eating most of whole carcasses - they do not just eat muscle, which is what your question may be implying.
Lions are strictly carnivores (meat eaters).
lions
No. Lions are carnivors so they eat meat, not omnivours who eat meat and veg. Lions are big because of the amount of meat of other animals they eat. You don't see lions eating bananas, do you?
Animals which feed on other animals i.e., purely eating their raw flesh are called carnivores.
Lions can move. It'd be quite difficult for a meat-eating, predatory animal to survive without being able to move.
Some common meat-eating animals include lions, tigers, wolves, and crocodiles.
'Carnivorous' animals are those that eat meat.
The lion has a rough tongue, and use it to rasp meat off the bone when eating.
Carnivores are the animals that eat only meats, like lions. Omnivores are animals that eat both plants and animals, like humans. I hope that is the answer you were looking for, as apposed to you wanting someone to name every meat eating animal on the planet, because that won't happen.
Lions do not typically eat grass as a primary food source. However, some lions have been observed chewing on grass, which can help with digestion or induce vomiting to expel unwanted materials from their stomachs.
Both carnivores and omnivores eat meat. Omnivores also eat plants.
First and foremost, it's spelled carnivores and they are animals that eat meat (e.i. Lions, tigers, wolves).