Chapter 7: Diversity in Living Organisms Test Test Time Explore various categories of non-fiction books. What is the Basis of Classification? Explanation of characteristics used to classify organisms like cell structure, body organization, mode of nutrition, etc. Classification and Evolution Link between classification and evolutionary relationships among organisms. The Hierarchy of Classification-Groups Biological classification levels: kingdom, phylum, class, order, family, genus, species. Kingdom Monera Prokaryotic, unicellular organisms like bacteria and cyanobacteria. No nucleus or organelles. Kingdom Protista Unicellular, eukaryotic organisms like amoeba, paramecium, euglena; mostly aquatic. Kingdom Fungi Multicellular or unicellular, eukaryotic, heterotrophic organisms; examples: yeast, bread mold, mushroom. Kingdom Plantae Multicellular, eukaryotic, autotrophic organisms; includes algae, bryophytes, pteridophytes, gymnosperms, angiosperms. Kingdom Animalia Multicellular, eukaryotic, heterotrophic organisms; classified based on body design and organization. Phyla of Animalia Brief overview of phyla: Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Chordata (Pisces to Mammalia). Nomenclature Scientific names using binomial nomenclature system (Genus + species); rules of naming.