classification (unranked): Life on Earth ( Gaeabionta ) Domains and Kingdoms Cellular life Bacteria Archae Eukarya Bikonta Rhizaria Excavata Heterokonta Alveolata Plantae Unikonta Amoebozoa Fungi Animalia Non-cellular life ( viruses ) * * A polypore mushroom has parasitic relationship with its host An ericoid mycorrhizal fungus In biology , an organism