Humans were never subject to constant and abundant food supply in the history preceding the agricultural revolution around 80 years ago. (parsleyhealth.com)
The findings reveal that the actors are often drawn to areas with abundant food resources, whereby, they aim to exert control over such resources. (sciencedaily.com)
Sure enough, parents nesting in insect - poor habitat averaged 77 % sons, while breeding pairs living on territories with abundant food produced 87 % daughters. (sciencemag.org)