No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
<span>Proliferation of lymphocytes occurs immediately after activation, as well as the encounter of antigen. First, these antigen are bound, after which activation begins. Activation immediately leads to proliferation, as well as differentiation. Proliferation is an increase in the number of something, in this case, in the number of lymphocytes, or white blood cells. </span>
to rech the sunlight for food or nurishments
The salmon will not starve as its prey increased.
The smelt is not the predator of the alewife.
The answer is D.