Interacting Species of the High Arctic Food Web (image) University of Helsinki Share Print E-Mail Caption DNA barcodes for two interacting species of the High Arctic food web. Credit Gergely Várkonyi Usage Restrictions The image may only be used with appropriate caption and credit. Share Print E-Mail 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.