Yes, but they need to be careful. The biggest problem is getting all the essential amino acids; all animals have them but not all plants.
But it doesn't take much, half a can of tuna a day is plenty.
no the chimpanzees are not vegetarians
People's bodies are different in general regardless of their diet. Some vegetarians are thinner than most, but for the most part, each person's body type is unique to them and not particularly their diet.
Because they are referring to the person's diet. Many vegetarians call people who eat meat non-vegetarians while they usually call themselves omnivorous.
Vegetarians don't eat meat.
There are a few Native American vegetarians. Before colonialisation, they ate a mainly vegetarian diet.
Yes. Vegetarians live longer.
Yes there are in fact some diet plans for vegetarians. They are special diets catered to vegetarians and there are some popular diets you can edit to work for a vegetarian.
yes because it is a lack of food in their diet
Yes. Their diet primarily consists of grass and forbs.
Some are. There is more info on the diet of trolls at lemonparty.org
This is a great debate. Some may say vegetarians are healthier due to omitting large amounts of cholesterol and fat from their diet while replacing it with vitamin, mineral and anti-oxidant rich fruits and vegetables. Others say vegetarians have a hard time balancing the correct amount of protein to balance a diet without meat. It is important to consider that all vegetarian dishes are not necessarily healthy and any diet requires you to select healthy choices low in bad fats, cholesterol, sodium and sugars. A doctor should be consulted before you make important diet changes.
No. It is a way for vegetarians to enjoy a full and tasty diet, like meat-eaters are able to.