- Classification of living organisms
- Classification and evolution
- Nomenclature of living organisms
- Characteristic features of five kingdom system
- Protista: also known as protocista
- Classification of kingdom plantae
- Sub-kingdom: cryptogamae (crypto-hidden, gamous-gametes/reproductive parts)
- Sub-kingdom: phanerogamae (phanero-visible, gamous-gametes/reproductive parts)
- Classification of kingdom animalia
- Phylum Porifera: [Pori-Pores/Holes, Fera-To Bear]
- Phylum Coelenterata: [Coel-Hollow/Cavity, Enteron-Gut/Intestine]
- Phylum Platyhelminthes: [Platy-Flat, Helminthes-Worms]
- Phylum Nemathelminthes: [Nema-Thread, Helminthes-Worms]
- Phylum Annelida: [Annelus-Ring]
- Arthropoda: Arthro-Jointed, Poda-Legs/Appendages
- Phylum Mollusca: Molluscus-Soft
- Phylum Echinodermata: [Echino-Spiny, Derm-Skin]
- Sub-Classification of Phylum Chordate
- Sub-phylum: Protochordata/Acraniata
- Sub-Phylum: Vertebrata/Craniata
SUB-PHYLUM: PROTOCHORDATA/ACRANIATA
[Proto- primitive/ first, chordata- chord/ notochord]
