Answer:
Biochemical evidence.
Step-by-step explanation:
Various studies have been done to explain the evolution of the organisms. Genetic material of the organism is identified on the basis of molecular and biochemical evidence.
The biochemical evidence are more accurate and used to identify the evolutionary history of the organism. The evidence that DNA is the genetic material of all life forms on earth has been identified the biochemical evidence.
Thus, the answer is biochemical evidence.