Pantless Tree Frog Embryos (IMAGE) Smithsonian Tropical Research Institute Caption This shows pantless tree frog embryos within the eggs on a leaf surface. The embryos die within a day if there is no rain to moisten the egg mass. Credit Justin Touchon Usage Restrictions Credit required 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.