Alga Chlamydomonas reinhardtii (image) Bielefeld University Caption The alga Chlamydomonas reinhardtii is a single-cell organism. However, it can do something that other plants cannot do - as biologists at Bielefeld University have confirmed. Credit Bielefeld University Usage Restrictions The image may only be used with appropriate caption or credit. 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.