Organisms will adapt to their environment in order to survive. They will do whatever it takes to survive.
If I'm not mistaken id say its small temperature changes
Explanation:
Amino acids are the building blocks of proteins. Proteins are digested in the gastrointestinal tract into peptides,polypeptides and single amino acids using hydrochloric acid and proteases. After protein digestion amino acids are absorbed by the jejunum in the small intestines and taken up by capillaries to the blood stream. They then travel in the blood to the liver, joins the urea cycle where they are metabolised for cell growth and tissue repairs.
Answer:
When people get vaccinated they there will be less change of transfer of communicable diseases