Taxonomy is the technique by which a wide variety of organisms is cl; classified according to their characteristics and physiological structure. In taxonomy, there are seven groups of hierarchy, which are followed to classify the organisms. Five kingdoms is a second stage classification by which the entire organisms are divided into five groups according to characteristics. This system covers a wide variety of organisms. The five-kingdom system was invented by the biologist Robert Whittaker. He classified the entire living being into five subdivisions; the subdivisions help to identify the organisms accordingly for a characteristic significance. The five-kingdom system is one of the most important categories of classification to know the organisms’ characteristics.
The Five Kingdoms of Life
The five-kingdom system is an important category to divide the class of organisms. The second stage of classification is to classify the living organisms accordingly to identify the characteristics. In biology, the classification system of organisms is known as Taxonomy. The five-kingdom system is based on the grouping of organisms according to basic physiological characteristics. The five-kingdom system is done by the basic characteristics of the organism, including the cell structure, different modes of nutrition and habit reproduction system and body structure. In 1969 Five kingdom system was first opposed by the biologist Robert Whittaker.
The five-kingdom system of classification is widely used globally to classify the organism according to its characteristics, physiological structures and habitations. The five-kingdom system categorises the entire organisms and divides them into five groups. The five groups of five kingdom systems are Monera Protista Fungi Plantae and Animalia. Tab biology East has used the five-kingdom system to generalise the group of identical characteristics to divide the groups of organisms into 25 divisions to identify the organism easily. The contribution of the biologist is influential in identifying the characters of the organism in a common way globally.
Description of five-kingdom system
There are five groups of organisms in the five-kingdom system: follows. Characteristics of the organism are different from each other, belonging to different groups of five kingdoms. The basic physiological characteristics have been given below according to the groups in the five-kingdom system.
Kingdom of Monera
In the five-kingdom system, Monera is the first group of organisms. This group of organisms has the basic cadet characteristics of a unicellular structure. The life events of the organisms are very simple, and they have the power to survive in a hard environment. The basic characteristics of the organisms that belong to the kingdom of men Monera are described below.
- The cell structure of the organisms in the Monera group is prokaryotic; the organisms are microscopy and can be found everywhere in the environment.
- Don’t have any well-structured nucleus nor have any e cell organelles structurally.
Some organisms have cell walls, and some do not.
- The organisms belong in Monera reproduce by the asexual method of basically bye binary fusion-fission
Examples of Monera are bacillus, coccus bacteria, amoeba, etc.
Kingdom of Protista
The basic features of the kingdom Protista are as follows, described below.
- The organisms belonging to the star group are generally unicellular, and the cell structures are eukaryotic. However, sometimes, the organisms can also be simple structural multicellular organisms.
- Organisms can make their food, or sometimes the organism can be heterotrophs.
- The organism reproduces by both sexual or method of asexual reproduction mode.
Examples of the organisms in the Protista group are paramecium, amoeba, slime moulds, etc.
Kingdom of Fungi
The basic features of physiological characteristics of the organisms belonging to the group of fungi have been described below.
- The organism of the fungi group is composed of eukaryotic cells.
- Generally, the organisms grow on dead organic matter and take up nutrition from the dead cells.
- The fungi either can be unicellular or can be multicellular.
- The mode of reproduction of fungi is done by either 61 sexual or by the asexual method of spore production.
Examples of fungi: mycelium, mushrooms etc.
Kingdom of Plantae
The basic physiological characteristics of the organisms of the Plantae group are as follows.
- The organisms are composed of eukaryotic cells and are multicellular.
- The organism has the pigment chlorophyll in their cell organelles chloroplast last hence they can make their food.
- The organisms follow both the sexual and asexual methods of reproduction.
Example- trees like mango, oak, far, wheat, rice etc.
Kingdom of Animalia
The basic characteristic feature of the organisms are as follows
- The organisms are multicellular and have complex cell structures.
- The organism has an organ system to perform live events.
- The organisms reproduce by sexual mode of reproduction
- The organisms are heterotrophs.
Example: human beings, lions, elephants, birds etc.
Conclusion
The five-kingdom classification has been regarded as the best and basic classification, successfully classifying the organisms into particular groups according to their character. There were many disputes earlier regarding the earlier classification systems proposed and used in biology. However, the five-kingdom classification was approved by many biologists. The classification in five major kingdoms has successfully classified the unicellular and multicellular organisms by segmentation bacteria, Fungi, Plantae and Animalia.