. Which principal is associated with Darwin-
A.Survival of the fittest in the struggle for existence
B.Every cell is produced by pre-existing cell
C.Gametes receives only one of the contrasting characters
D.Inheritance of acquired characters
A. Darwin stated that as many more inpiduals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be naturally selected.