Well because they need to survive. And whoever gets the most food will grow the biggest and produce the most offspring. This even happens between inter species like ants, an example of this is when the red imported fire and caused the near extinction of the native argentine ant in the United States
The whooping cough vaccine is harmless
for the patient and the baby. Doctors and midwives who major in in caring for
pregnant women approve that it is significant to be acquired throughout the
third trimester of pregnancy. Adults who are 19 years old and older must only acquire
one dosage of the Tdap vaccine.