In the absence of a single fossil specimen showing that species evolve from earlier ones and are in a constant state of change, there are nevertheless countless fossil discoveries to show that living things preserve the exact same structures for as long as they are in existence. The 45-million-year-old fungus gnat pictured is one example. This finding shows that these insects have remained unchanged for millions of years. The stability in the fossil record, by itself, is sufficient to totally undermine the theory of evolution.