No, you don't really need animal proteins to survive, because there are other types of protein you can have if you are a vegetarian, such as beans, tofu, and things similar to that. Hope this helped!
Plant cells do need proteins to live/survive. They also make proteins.
human beings need nitrogen for building proteins and o2
human beings need nitrogen for building proteins and o2
Camels
camel
Humans
of course. every living organism need nutrients to survive. they need it for making various proteins used in their metabolism
Yes, just like pretty much all mammals.
All animals need food to survive.
food and shelter
it needs thick fur and blubber
well both an animal and a flame candle need oxygen to survive