Hoplobatrachus tigerinus (Previously Rana tigrina) | Indian Bull Frog
The Indian bullfrog (Hoplobatrachus tigerinus) is a large and robust species of frog native to…
Category Vertebrates
Labeo rohita – Rohu / Rui
Labeo rohita, commonly known as the Rohu or Rui, is a freshwater fish species belonging…
General Characters of All Classes of Vertebrates.
The major classes of vertebrates are Cyclostomata, Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves, and Mammalia. The…
Structure, Development & Homology of Placoid Scales | Shark | Scoliodon
What is the Placoid Scale? Placoid scales, also known as dermal denticles, are a type…
Reproduction of Scoliodon | Dog Fish
Scoliodon, commonly known as spiny dogfish, is a species of shark found in the coastal…
Digestive System of Columba livia | Pigeon | Diagram | Note
The digestive system of Columba livia, also known as the rock pigeon, is similar to…
Air Sacs of Pigeon | Bird | Columba livia | Diagram | Note
Air sacs of pigeon are 9 in number that are located in various parts of…
The Sound Producing Organ in Birds | Syrinx | Diagram | Note
Syrinx is the sound-producing organ in birds. The vocal organ or voice box or singing…
Muscular System of Columba livia | Pigeon | Diagram
The muscular system of Columba livia, also known as the domestic pigeon, is similar to…
Nervous System of Scoliodon | Shark | Diagram
The nervous system of Scoliodon consists of three parts : 1. Central nervous system. 2.…
Sense Organs of Scoliodon | Diagram
The main receptor or sense organs of Scoliodon include (i) olfactory organs, (ii) eyes, (iii)…
Urinogenital System of Scoliodon | Diagram | Note
The excretory and reproductive systems are so closely related to each other in vertebrates that…
The Nervous System of Frog | Diagram
The nervous system of a frog, like other vertebrates, is composed of the central nervous…
Urinogenital System of Frog | Diagram
In this article about the frog, we will discuss the urinogenital system of frog (Hoplobatrachus…
Blood Circulatory System of Frog | Diagram
Blood Circulatory System of Frog The blood circulatory system of frog is closed. The whole…