Maternal and Paternal Cooperation (IMAGE) University of Freiburg Caption Researchers disprove the assumption that parents conflict with one another during a plant's embryonic development. Credit Foto: Thomas Kunz 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.