Fitness landscape tipping point (IMAGE) New York University Caption The fitness landscape of hyphae showing that natural shapes are constrained by a tipping point. Credit Maxim Ohairwe Usage Restrictions use with caption and credit License Original 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.