Compléter the fifth kingdomsVersion en ligne Activity in which the students have to fill some gaps with concepts from the topic: The fifth kingdoms par Gemiita Poulain 1 hosts relationship bacteria mushrooms PROTOCTISTS Fungi photosynthesis yeasts Moneran Symbiotic tissues Algae Saprotrophic Protozoans Parasitic The kingdom consists of all ( single - celled prokaryotic organisms ) . bacteria feed on dead or decaying organisms . bacteria establish a with other organisms form which both organisms benefit . bacteria live on or in other organisms ( ) . The bacteria benefit but the hosts are damaged . The kingdom includes a diverse group of eukaryotic organisms with no specific tissue structure . are aquatic eukaryotic , autotrophic organisms that perform . are single - celled , eukaryotic , heterotrophic organisms . cells have a cell wall similar to that of plants , but it doesn´t contain cellulose . They don´t have chloroplasts and don´t form . They can be single - celled , such as , or multicellular , such as moulds and .