Figure 2 (IMAGE) University of Helsinki Caption To stay tuned to their environment, species need to respond to both short- and long-term variation in climatic conditions. How well interacting species – such as these flowers and hover flies – keep pace with each other in a changing climate will depend partly on evolution. Credit Svetlana Bondarchuk 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.