Provide feedback. Want to help us improve our website? Statistics Census Complete your survey About us. In the American alligatorfor example, females are hatched from eggs incubated between Mackey The SA2 with the highest median age was Bribie Island
In birds, mothers can influence the sex of their chicks. This reflects a pattern of young adults moving to capital cities to pursue work, education and other opportunities. It was found that the amount of fertilizing pollen can influence secondary sex ratio in dioecious plants.
Phylogenetic analysis based on mitochondrial COI gene sequences in Thrips tabaci Lindeman Thysanoptera: Thripidae in relation to reproductive forms and geographic distribution. This study focuses on the effect of lethal male—male combat as a novel possible factor distorting the sex ratio toward a female bias in Melittobia.
Acta Biol Crac Ser Bot. Thus, the advantages of the sexual strain in their reproductive ability were not detected in this experiment under the constant temperature. Godfray HCJ,
For gender balance as a socio-political issue, see Gender equality. Median Age. Want to help us improve our website? Our new beta website has arrived. Exposure to pesticides and other environmental contaminants may be a significant contributing factor as well. In most species, the sex ratio varies according to the age profile of the population.