Original news saved on 2 July 2009, 14:30 GMT from Science Daily. More below:
Key To Evolutionary Fitness: Cut The Calories Charles Darwin postulated that animals eat as much as possible while food is plentiful, and produce as many offspring as this would allow. However, new research shows that, even when food is abundant, intake reaches a limit. One theory for this is that animals actively limit their energy turnover to maintain a higher level of reproductive success over their lifetime.
