Hence , it is regarded as a response to the demographic structure in the population instead of a response to their size .
Studies have shown that the proportion of sex change decreases afterwards as the presence of males in the population would discourage sex change .
It is regarded as a response to the demographic structure in the population instead of a response to their size .
Studies have shown that the proportion of sex change decreases afterwards as the presence of males in the population would discourage sex change .