Zooplankton after it has been filtrated. (IMAGE) UiT The Arctic University of Norway Caption Zooplankton after it has been filtrated. Credit Karine Nigar Aarskog / UiT Usage Restrictions No restrictions. License Public Domain 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.