In this article we will discuss about Latimeria:- 1. History of Discovery of Latimeria 2. Fossils of Latimeria from India 3. External Structures 4. Skeletal Structures 5. Digestive System 6. Swim-Bladder 7. Respiratory System 8. Circulatory System 9. Nervous System 10. Urinogenital System 11. Zoological Importance. Contents: History of Discovery of Latimeria Fossils of Latimeria from India External Structures of [...]
In this article we will discuss about Rohu:- 1. Systematic Position of Rohu 2. Habit and Habitat of Rohu 3. Geographical Distribution of Rohu 4. External Structures of Rohu 5. Skeletal Structures of Rohu 6. Coelom of Rohu 7. Digestive System of Rohu 8. Hydrostatic Organ of Rohu 9. Respiratory System of Rohu 10. Circulatory System of Rohu 11. Venous [...]
The swim-bladder in fishes and the lungs of tetrapods are closely similar in structure and development. Both these structures are intimately associated with the gut. The lungs of higher vertebrates arise exactly the same way as that of the swim-bladder in fishes. Both develop as outgrowths from the gullet and the glottis occupies exactly the same position. But the exact [...]