The biological world is enormously diverse. There has to be an approach that enables us to get an idea of a group of organisms by studying a particular type. Living beings are classified as plants and animals.
Classification - the process of grouping similar things into groups or categories on the basis of similarities and differences.
Learn about Hierarchy of categories/groups - kingdom, phylum, class, order, family, genus, species and binomial nomenclature.
Five-kingdom classification by R.H.Whittaker :
Major groups of plants :
Classification of Animal Kingdom in order of their increasing complexity:
It is classified as phylum Porifera(porus = pore, ferre = to bear, porous animals = the sponges)
Classification of vertebrates :
SmartTest on Classification and Diversity of Living Organisms
SmartTest on Microorganisms
SmartTest on Characteristics of living organisms