During Griffith's experiments with Streptococcus pneumoniae in mice, material from bacteria transformed bacteria. g

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.