Vampyrella Amoeba Eating Spirogyra ⁠ ⁠ Time-lapse light microscopy footage of a #Vampyrella #lateritia trophozoite (center) attached to and feeding on a strand of #Spirogyra #algae (tubular). Vampyrella is a unicellular micro-organism sometimes described as a "vampire amoeba". It attacks other #microscopic organisms, such as algae, and penetrates their cell walls and extracts the contents (green). The complete process of cell wall penetration, suction and extraction is shown in this clip. Vampyr

A Level Biology Revision "Gas Exchange in Mammals"