BiologyCode 9700
Classification
What this topic asks you to be able to do
- discuss what the word species signifies, with the discussion limited to the biological species concept, the morphological species concept and the ecological species concept
- describe how organisms are classified as belonging to one of three domains: Archaea, Bacteria and Eukarya
- state that Archaea and Bacteria are prokaryotes which differ from one another, limited to membrane lipids, ribosomal RNA and the makeup of cell walls
- describe how organisms of the Eukarya domain are classified using the taxonomic hierarchy, from kingdom down through phylum, class, order, family and genus to species
- outline the features typical of each kingdom: Protoctista, Fungi, Plantae and Animalia
- outline the basis on which viruses are classified, limited to which nucleic acid they contain (DNA or RNA) and whether it is double stranded or single stranded