Biodiversitas is a study group in the Biology Bachelor Degree Program, that focuses on studying dragonflies, butterflies, mosses, and ferns through expedition, exploration, and conservation. General activities of this study group are biodiversity survey, ecological survey, observation, collection, preservation, and conservation. Biodiversitas Study Group held a new member training event at Bromo forest, Karanganyar. Besides that, this group also had several expedition events covering biodiversity inventory located at various locations. They also shared information on biodiversity studies through their study group board.