Isn't it one in every four different animals that are beetles? I'd imagine if you picked four random animals they'd mainly be nematodes. Or if it's by mass they'd be humans and cows!
You'll have to have a referendum, consulting each bacterium and asking if they identify as part of the collective known as "you" or as an independent organism
Marine plankton include bacteria, archaea, algae, protozoa, microscopic fungi, and drifting or floating animals that inhabit the saltwater of oceans and the brackish waters of estuaries