If one amino acid in a protein sequence is changed, what could happen? It could become a carbohydrate.
Normal bodily functions can change.
Proteins are so complex that one amino acid won't make a difference.

C. Proteins are so complex that one amino acid won't make a difference.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

idk lol use google m8