:::::Geological evidence suggests the earth is approximately 4.57 billion years old. The diversity and complexity of life documented in the fossil record is the outcome of evolutionary changes over much of that time. There are differing views on the rate of evolutionary change insince livingte organismsbegining sinceof life's beginnings, early in earth's history. Studies by David Reznick at the University of California, Riverside, suggest that the rate of evolution through natural selection can proceed 10 thousand to 10 million times faster than what is indicated in the fossil record.[24] Such comparative studies however are invariably biased by disparities in the time scales over which evolutionary change is measured in the laboratory, field experiments, and the fossil record.
::::This eliminates the offending term 'slowly' and 'maybe'. It brings more focus to what is being contrasted (the actual rate of evolution).
