Likely a sterile medium means an uncontaminated culture (food free of living organisms) that will grow only the new bacteria introduced for analysis. Source(s): http://www.thefreedictionary.com/sterile
Stonepelt was Bluestar's first mentor and a very well-respected senior warrior of ThunderClan. It is revealed in this book that he took her to the Gathering on her second day as an apprentice because she had caught a squirrel very well for a new apprentice, and the squirrel had been as big as she was.
As long as there were cats to lead, the leaders would come.Beware of unmarked spoilers!Note: Please add character tropes exclusive to Dawn of the Clans to the Dawn of the Clans character page, not here.See also: 1  Warrior Cats Thunderclan. 2  Warrior Cats Thunderclan Medicine Cats. 3  Warrior Cats The Three And Their Allies.