features Cell type Prokaryotic Eukaryotic Eukaryotic Eukaryotic Eukaryotic Cell wall Non-cellulose Present in Present Present Absent structure some Body Cellular Cellular Multicelluar Tissue Tissue Organ organisation Tissue Organ Organ system Mode of Autotrophic Autotrophic Heterotrophic Autotrophic Heterotrophic nutrition Heterotrophic Heterotrophic mitochondria. Organisms in this domain are classified under kingdoms, namely, Protista, Fungi, Plantae and Animalia. In , Cavalier-Smith revised the six kingdom system to Seven Kingdom system. The concept of super kingdom was introduced and revised to seven kingdom classification.
The classification is divided into two Super Kingdoms (Prokaryota and Eukaryota) and seven kingdoms, two Prokaryotic Kingdoms (Eubacteria and Archaebacteria) and five Eukaryotic Kingdoms (Protozoa, Chromista, Fungi, Plantae and Animalia). (Table . ). Curd is one of the best sources of probiotics, which are friendly bacteria that can improve our health.
e.g. Lactobacillus sp. The Three-Domain System The Seven – Kingdom system The Six –Kingdom system Bacteria Archaea Protista Fungi Plantae Animalia Eubacte- ria Archaea bacteria Protozoa Chromis- ta Fungi Plantae Animalia Bacteria Archaea Eukarya The traditional Five – Kingdom system Protista Fungi Plantae Animalia Monera XI Std Biology-Zoology Chapter-