Question 2 which of the following is true of metamorphism? metamorphism changes only the shape of rocks. metamorphism changes only the chemical composition of rocks. metamorphism requires energy from radiation. metamorphism can change both the shape and chemical composition of rock.

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.