Brave Biofilm Explorers

[Don Schaeffer]

https://www.youtube.com/watch?v=hBaWfIcn1gc
Protists and ciliates have an intimate relationship with bacteria. When the bacteria are forming biofilm, protists are in danger of being captured and permanently entombed in the biofilm structure. Once the biofilm is stable, however, protists move through the channels and holes in it to feed.