The answer is "<span>B: all the gray squirrels that live in a forest" </span>
Answer: humoral immune response
The main antibody isotypes in the influenza-specific humoral immune response are IgA, IgM and IgG. Mucosal or secretory IgA antibodies are produced locally and transported along the mucus of the respiratory tract by transepithelial transport and can afford local protection from infection of airway epithelial cells.
B! The strongest characteristics will survive when the weak ones won't
Answer:
it will option C this is correct answer
Is this problem multiple choice? I remember much of biology but I'm blanking on vocab
