Vorticella. Free-Swimming.

Образовательные ролики в сообществе Vorticella are sessile (permanently attached to a substrate) organisms. However, young vorticella can be seen free-swimming, as in this video. Adults also swim freely if their stalks are cut or if they have to detach themselves from the substrate due to unfavorable conditions. It is wonderful to observe how adult vorticella is attached to substrates with stalks. One of the most amazing vorticella facts is that vorticella’s peduncle (stalk) is capable of contracting and the contraction is caused by the ’