Air plankton are found all across Eura’s air from the ocean biome to the volcanic biome. Here are the different types. There are the air plant air plankton. These are basically small unicellular plant like creatures. Then there is the ammonite type which stays as an air plankton all of it’s life as an animal that stays in the air. Then there’s the metamorphic type that is an animal or plant that grows big enough for the human eye to see. Taken from an air plankton into it’s adult form.