Ethnography is the study of social interactions, behaviours, and perceptions that occur within groups, teams, organisations, and communities.
Then the cell divides in half, with one Paramecium above the other, like a short totem pole. Paramecium also reproduce sexually, and this is really weird. Two compatable cells join belly to belly and part of their cytoplasm fuses (kind of like a siamese twin). For sex, they do not need their big macronuclues: it is slowly destroyed.
When it captures a paramecium a food vacuole begins to form inside Didinium and the cytostome expands to ingest it. Of all the images that the author has seen it appears that Didinium makes contact with Paramecium half way along the Paramecium's length.