<i>Pristionchus maxplancki</i> Threadworm (IMAGE) Max-Planck-Gesellschaft Caption The nematode Pristionchus maxplancki can change the shape of its mouth depending on the form of its nourishment. Credit MPI for Developmental Biology 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.