If you don't ingest enough amino acids you would have difficulties
synthesizing protein. Basically, there are 20 of them in the genetic
code and they build into everything because they are combined into
proteins. They are the second most found molecule in our body after
water, and you need a lot of them. If you don't get them your body won't
have enough protein and you can die if it becomes too extreme.
The most well known answer according to my bio teacher is nitrogen
Answer:
I would say maybe corn considering its the only one that you can find in nature and it isn't man made.
The level of organization is plants, coral and water. Water came first.