The building block of all life is readily available from vegetables. Meat is not a necessity. It never was.
All Vegan plant-based foods contain protein, since protein is a building block of all life. Yet the Animal Agriculture industry subliminally associates meat with protein leading the common person to believe that only meat contains protein. This is not true.
Below is a partial list of Vegan foods that have MORE protein than beef. Needless to say, there are a lot of other Vegan foods that have comparable or slightly less protein than beef.
We made the comparison on the basis of equal calories since no matter what our diet, we eat the same number of calories per day, not the same weight or volume of food.