Fruit Fly Feeding (IMAGE) University of Toronto Caption This shows a fruit fly feeding. A genetic study by evolutionary biologists at the University of Toronto using fruit flies (Drosophila melanogaster) showed that chronic food deprivation and lack of adequate nutrition in early life had significant impact on adult behavior and quality of life. Credit Chris Reaume Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.