A hospital is like an ecosystem. Name three limiting factors that can affect the population inside the hospital?

Ithink the dna sequences may vary but the amino acid sequences are identical. 

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral