Flatworm reaps the fruits of its symbiosis | Max-Planck-Gesellschaft https://www.mpg.de/13305610/0405-mbio-064278-excellent-catering-flatworm-reaps-the-fruits-of-its-symbiosis
Bacteria offer the gutless worm Paracatenula everything it needs to live – despite a greatly reduced genome.
„The symbiont´s food packages for sure contain lipids