Image 1 (IMAGE) University of Bristol Caption The evolution of modern plants and animals, showing how the rise of angiosperms through the past 200 million years was accompanied by massive expansion in biodiversity of numerous key groups of insects (such as bees, wasps, butterflies, bugs, beetles, and flies). The key mass extinctions are marked in red, but the key phase was from 100 to 50 million years ago, which we term the Angiosperm Terrestrial Revolution. Credit Credit © Mike Benton and New Phytologist Trust Usage Restrictions once with release 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.