The golden jelly (Mastigias papua etpisoni) lives in marine lakes in the southern Pacific, most famously Jellyfish Lake in Palau. In addition to obtaining nutrients from captured zooplankton, this jellyfish grows its own garden of photosynthetic microorganisms within its translucent tissues. | +
From this diagram you can see the connection between the basic platonic solids and the formation of the most primary types of germs and microbiological forms. I believe most of the items here are viruses, but their formation and shape that drives curiosity.