Bacteria: Definition, Characteristics, Examples
Bacteria are a type of simple, microscopic, unicellular organism. In 1675, Dutch scientist A. van Leeuwenhoek was first discovered bacteria. He proved the existence of bacteria in his own made…
Biology
Biology is a vast discipline that deals with the study of life and living organisms, including their origins, structure, physiology, evolution, behavior, distribution, and taxonomy.
Read MoreBacteria: Definition, Characteristics, Examples
Arthropoda: Characteristics, Classification, and Examples
In the phylum Arthropoda, there is the most number of animal species. The phylum Arthropoda contains more than 1079290 known species like Apis, Laccifer, Millipede, Palaemon, etc. The name Arthropoda…
Annelida: Characteristics, Classification, Examples
The phylum Annelida is a group of organisms having ring-shaped segments. The term Annelida is derived from the Latin word; “Annulus = ring“ There are more than 15000 known species…
Aschelminthes (Nematoda): Characteristics, Classification, Examples
Aschelminthes is considered a superphylum, which includes many phyla. The term Aschelminthes was first introduced by Grobben in 1910. Earlier in 1859, Gegenbour was named Nemathelminthes for this phylum. So,…
Platyhelminthes: Characteristics, Classification, Examples
In 1859 the scientist Gegenbaur proposed the name phylum platyhelminthes. Originally the animals of this group were placed in the taxon vermis by Linnaeus in 1735 along with other worms.…
Ctenophora: Characteristics, Classification, Examples
Phylum Ctenophora and Phylum Cnidaria were in one phylum (phylum Coelenterata) in the early days. Later Coelenterata was divided into two separate phyla one is Cnidaria and the other is…
Cnidaria: Characteristics, Classification, Examples
Phylum Cnidaria is the group of multicellular animals belonging to the sub-kingdom of Enterozao. According to tissue differentiation, the animals of this group are two types diploblastic and triploblastic. In…
Porifera: Characteristics, Classification, and Examples
The scientist R. Grant used the term phylum Porifera for the first time in 1836. Porifera belongs to the sub-kingdom Parazoa. Although all the animals in this group are multicellular,…
Protozoa: Characteristics, Classification, and Examples
In 1822, the scientist Goldfuss first used the term protozoa. Protozoa are referred to as animals whose bodies are made up of a single cell. However, it represents a division…
Archaebacteria: Definition, Characteristics, Classification
Kingdom monera are divided into two major groups. One is Archaebacteria and the other one is Eubacteria. Archaebacteria are ancient and most primitive forms of bacteria living in extreme environments.…