Fish lay thousands of eggs in one reproductive cycle. what are some factors that prevent the majority of these from developing into fish that then reproduce on their own

Fish are abundant but through evolution they have been made to lay a lot of eggs. This accounts for one thing, survival of the fittest. Darwinism theory of Natural Selection.

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