Hemichordata: Characteristic, Classification and Examples
Hemichordata: They are tongue worms, which have been included for long as a subphylum or class of Phylum Chordata in the lower chordates or Protochordata, but now they are placed …
Zoology
Hemichordata: They are tongue worms, which have been included for long as a subphylum or class of Phylum Chordata in the lower chordates or Protochordata, but now they are placed …
Phylum Protozoa: The Phylum Protozoa comprising a diverse group of unicellular organisms. Let’s explore their characteristics and classification. Defination: The Protozoa may be defined as ‘microscopic, acellular animalcules existing singly …
Phylum Cnidaria: Cnidaria derives from the Greek word “cnidos,” which means “stinging thread.” Defination: The cnidaria may be defined as “diploblastic Metazoa with tissue grade of construction having nematocysts and a …
Phylum Arthropoda: Arthropods are the largest phylum in the animal kingdom, making up over two-thirds of all known animal species. They are incredibly diverse and can be found in almost …
Phylum Mollusca: It is the second largest phylum in animal kingdom and consists of over 150,000 marine, freshwater and terrestrial species. Mollusca, the second largest animal phylum after Arthropoda, is …