Jurien Bay Shrubland (IMAGE) Smithsonian Tropical Research Institute Caption Tropical forests are home to about 50 percent of all the Earth's plant species. The Jurien Bay shrublands in Australia are another area of very high plant diversity. What do comparing these two, very different environments tell us about plant innovation? Credit Francois Teste Usage Restrictions Credit: Francois Teste 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.