Overflight Parque Soberania (IMAGE) Smithsonian Tropical Research Institute Caption A single tropical forest may be home to hundreds of different plant species, as seen in this bird's eye view of Panama's Soberania National Park. A new study shows that the interactions between tropical plants and the insects that eat them may be explain tropical forest diversity. Credit Smithsonian Tropical Research Institute Usage Restrictions Credit: Smithsonian Tropical Research Institute 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.