Density dependent factors are the one that affect the birth and death rates of population in a density dependent manner. On the other hand, density independent factors limit the population size irrespective of the size of the population. Among the given options, volcanic eruption is a density-independent factor limiting population growth.
Because its about grow up if question asked germ cells it was supposed to be meiosis but this ques about zygote to become embryo so grow up and this is have to be mitosis.
