Answer: C. when food is abundant
Explanation:
Antibodies, also called immunoglobulins, are proteins manufactured by the body that help fight against foreign substances called antigens. When an antigen enters the body, it stimulates the immune system to produce antibodies. (The immune system is the body's natural defense system.) The antibodies attach, or bind, themselves to the antigen and inactivate it.<span>
Read more: <span>http://www.scienceclarified.com/Al-As/Antibody-and-Antigen.html#ixzz4YlY105DD</span></span>
It helps classify animals according to their needs.
Hope this helps!
-Payshence xoxo
Answer:
I think the answer is the first one I might be wrong
Explanation:
