31.   He helped create the idea of evolutionary plant biology by incorporating the study of fossils, genetics, cells and evolutionary history with the theories of Charles Darwin.

32.   He said this suggests that these plants have an evolutionary history of tracking the climate-caused changes in the behavior of insects.

33.   Ironically, the finding gives new evidence that the lethal microbe shares an evolutionary history with an important component of healthy cells.

34.   The microbe and mitochondria, both of which have their own genes, apparently share an ancestor deep in evolutionary history, scientists said.

35.   The newfound creature combines traits from both living groups, indicating it lived around the time the two groups split in evolutionary history, Clack said.