There are many kinds of livings found on our earth . Some of them resemble each other and some show different features.
"Classification" is the the arrangement of livings into different groups on the basis of their similarities and dissimilarities in features.
Basis of classification includes -
- Types of Cell : Organism is made either of "Prokaryotic" or "Eukaryotic" cell.
- Numbers of cell : Living may be "Unicellular" or "Multi-cellular".
- Level of Organization of their body : Structure organization of a livings may be cellular grade ,tissue grade ,Organ grade or Organ-system grade.
- Mode of Nutrition : Organism may be autotrophic ,hetrotrophic,parasitic ,saprophytic etc.
Organisms are classified in following kingdoms-
- Monera- Kingdom of prokaryotes i.e. Bacteria and Blue green algae
- Protista- Kingdom of eukaryotes unicellular livings i.e.Protozoans (Amoeba ,Paramecium etc)
- Fungi - Kingdom of plant like ekaryotes but without chlorophyll and saprophytic mode of nutrition i.e.Mushrooms Yeast etc.
- Plantae -Kingdom of plants with cell with cell wall and chlorophyll and show autotrophic mode of nutrition.
- Animalia - Kingdom of multi-cellular animals having hetrotrophic mode of nutrition.
