ecu ts paramecium bursaria (species of ciliate protozoan that has mutualistic symbiotic relationship with green algae called zoochlorella) / newcastle emlyn, ceredigion, united kingdom - 草履蟲 個影片檔及 b 捲影像01:16細菌
microscopic view of paramecium, a ciliate protozoan, moving in water containing bacteria or decaying organic matter - 草履蟲 個影片檔及 b 捲影像00:07細菌
/ paramecia under microscope / assemble into small groups then separate into pairs. - 草履蟲 個影片檔及 b 捲影像00:42