Question

What are the domain and kingdom?

Answer 1

Domain:

1. In biological classification, the domain is the highest taxonomic rank, above the kingdom level.
2. It was first included in the 1990 three-domain taxonomy scheme developed by Carl Woese, Otto Kandler, and Mark Wheelis.
3. All the living organisms on earth belong to mainly three domains, namely bacteria, archaea, and eukarya.
4. Organisms of Archaea and Bacteria are all prokaryotic bacteria, which are primarily single-celled creatures with no well developed, while organisms of the Eukarya domain (eukaryotes) comprised organisms with cells having well developed nucleus and organelles that are membrane-bound.

Kingdom:

1. When Carl Linnaeus introduced hierarchical nomenclature in biology in 1735, the highest rank was named "kingdom" and was followed by four other major or major ranks: class, rank, genus, and species.
2. Later, two other major ranks were introduced, forming the ordinal kingdom, phylum or division, class, order, family, genus, and species.
3. There are five kingdoms classified; Monera, Protista, Fungi, Plantae, and Animalia.
4. All the scientific classification for any organism starts from always kingdom.

1. Kingdom monera: Kingdom monera contain single-celled organisms that lack well-defined cellular structures, including nuclei and other organelles. Example: Bacteria
2. Kingdom Protista: Protists are unicellular eukaryotes that are not plants, animals, or fungi. Example: Plasmodium.
3. Kingdom Fungi: Members of this kingdom are heterotrophic, eukaryotic, multicellular and have a chitinous cell wall. Examples: mold, puffball
4. Kingdom Plantae: Representatives of the plant group are autotrophic, eukaryotic and multicellular with presence of a cellulose cell wall. Examples: mosses and liverworts.
5. Kingdom Animalia: Members of this kingdom can be divided into two groups, vertebrates, and invertebrates which are eukaryotic, multicellular and heterotrophic. Example: Worms, leeches.