<p> The Six Kingdoms of Living Organisms Domain Kingdom Characteristics Cell Cell Structure Body Nutrition Other information Examples Type Type Helpful and Autotrophic and harmful; most Enterobacteria Bacteria Eubacteria Prokaryotic Cell wall: Unicellular Heterotrophic abundant life form Lactobacillus peptidoglycan Spirochetes</p><p>Capable of living Autotrophic and in harsh Methanogens Archaea Archaebacteria Prokaryotic Cell wall: no Unicellular Heterotrophic environments; Extremophiles peptidoglycan more similar to Nonextremophiles Eukarya</p><p>Unicellular Autotrophic and Aquatic; mixed Amoebas Eukarya Protista Eukaryotic Mixed and Heterotrophic category Euglenas Multicellular Kelp</p><p>Unicellular Decomposers Yeasts Eukarya Fungi Eukaryotic Cell wall: and Heterotrophic Parasites Mushrooms chitin Multicellular Molds </p><p>Cannot move; photosynthesis to Flowers Eukarya Plantae Eukaryotic Cell wall; Multicellular Autotrophic make food; Ferns cellulose multicellular Pines reproductive Oak Tree organs Eukarya Animalia Eukaryotic No cell wall multicellular Heterotrophic Move; plasma Birds membrane; obtain Insects food for energy Earthworms</p>