Zoology

TORSION   Torsion is a process in which the viscero-pallium rotates anti-clockwise through 180° from…
The “pearl” is literally formed by the mantle epithelium, which becomes deposit around any external…
The pectoral girdle is connected to the vertebral column through muscles and ligaments. The pectoral…
The skeletal system or skeleton includes the hard parts of the animal body. All the…
Comparative anatomy of respiratory systems in calotes (lizard), columba (pigeon) and oryctolagus (rabbit). Calotes is…
Scoliodon (fish) is a poikilothermic cartilaginous fish. It is commonly known as shark. Rana (frog)…
Digestive System Of Bird: Eg: Pegion Digestive System (Columba) Digestive System Of Mammal: Eg: Rabbit…
Comparison Of Integument Derivatives In Calottes (Reptile), Columba (Bird) And Oryctolagus (Mammal) Calotes is a…
COMPARATIVE ACCOUNT OF THE INTEGUMENT (SKIN) IN THE SCOLIODON (SHARK FISH) AND RANA (FROG) Scoliodon…
Herdmania is a bisexual animal. It is a protogynous animal. Ovary matures’ first. Hence cross…
Herdmania is a hermaphrodite animal. The fertilised eggs undergo holoblastic unequal clevage and it develops…
During metamorphosis the larva will loose all the chordate characters and attains an invertebrate like…
In the test of Herdmania two types of calcareous spicules are Present. They are:  …
A neural gland is present above the brain in herdmaina. It is brown in colour.…
Herdmania shows brain or nerve ganglion. It is 4 mm long. It is present in…
Herdmania is a simple ascidian, In Indian ocean this genus is represented by 4 species.…
The typical tunicate looks like a non-chordate animal. If the life history of such animal…
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