Morphological and Physiological Description of Urochordata
Urochordata is subdivided into three orders, the Larvacea, the Ascidiacea and the Thailiacea. Members of the Larvacea are free-swimming and they retain the larval features…
Articles by Tony Onwujiariri
Concise Description of Hemichordate Animals
This class is subdivided into two orders, the Enteropneusta and the Pterobranchia. The order Enteropneusta contains the acorn-worms balanoglossus and Dolichoglossus,which are free-living. They burrow…
7 Characteristic Features of Chordate Animals
In common with arthropods and annelids, chordates and chordate animals are bilaterally symmetrical and metamerically segmented; they possess, however, certain distinctive features not found in…
Concise Description of Insect Hormones and Neurosecretions
A great deal of experimental work has been carried out on this subject, particularly on cockroaches, locusts, grasshoppers, and most noteworthy is the work on…
Structural Significance of Sclerenchyma Cells
The structure and position of this tissue also indicate its primary strengthening functions, but it is clearly distinguishable from collenchyma. Two widely diverse forms of…
5 Advanced High-Tech Business Solutions You Must Adopt
The digital era has made a significant impact on today’s life, especially in the sphere of business. The advanced technologies and high-tech business solutions are…
Structural Significance of Collenchyma Tissues
This is a simple tissue consisting of one type of cell only the structure and position of the cells indicate the primary supporting function. Collenchyma…
Biological Significance and Functions of Parenchyma Cells
The word parenchyma means literally “poured in beside” and suggests the gap-filling capacity visualized by earlier histologists, who thought that the cells occupying the spaces…
The History and Evolutionary Trends of Vascular Plants
The evolution of the fully-erect land habit in plants has been the result of a capacity for great variation in cell types to meet the…
Concise Description of the Physiology of Sponges
The Physiology of Sponges In describing the physiology of sponges, we shall first tak a look…