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Kidneys are the major excretory organs in all vertebrates. Some other organs such as lungs, gills, liver, intestine and skin also remove certain waste materials besides their normal functions. These are also known as the accessory excretory organs. Both shark and frog are anamniotic animals. The kidneys lie dorsal…
Calotes is a cold blooded (poikilothermic) and terrestrial garden lizard. Pigeon is a ward blooded bird adapted for aerial mode of life. Rabbit is warm blooded and a herbivorous mammal which is also known as Oryctolagus. The circulation of blood in vertebrates is of closed type(circulation occurs is blood vessels.…
Scoliodon commonly called as shark fish is a poikilothermic (cold blooded) animal. It is cartilaginous fish. Rana (frog) is also poikilothermic and amphibious animal. The circulation of blood in vertebrates is of closed type. The blood vessels which collect blood from various parts of the body are known as veins.…
Calotes is called as garden lizard. It is a poikilothermic terrestrial reptile. Columba is commonly called as pigeon, being a bird it is adapted for aerial mode of life. Oryctolagus (rabbit) is an herbivorous mammal. The blood circulation in these vertebrates is of closed type. The blood vessels which carry…
Scoliodon ( Shark) is a poikilothermic animal. It is a cartilaginous fish. Frog ( Rana) is a cold blooded and amphibious animal. The circulation of blood is carried by closed vessels. The vessels which supply blood to the various organs of the body are known as arteries as the net…
Calotes is a poikilothermic terrestrial lizard. Columba is pigeon adapted for aerial mode of life. Oryctolagus is an herbivorous mammal. Both pigeon and Rabbit are warm blooded animals. Heart, arteries, veins and blood capillaries are included in the circulatory system. The blood circulation is controlled by an important organ…
Scoliodon is a poikilothermc and cartilagenous fish. Rana is also poikilothermic and amphibious animal. In the circulatory system the heart is the most important organ. The blood vascular system in the vertebrates is of closed type. The heart lies in the pericardial cavity of the coelom. It is on the…
The Appendicular skeleton is one of the divisions of the endo skeleton. It includes the pectoral and pelvic girdles and limb bones. The skeleton of the limb in all the tetrapods shows a similar fundamental and structural similarity. However the differences such as arms, legs, wings and paddles are seen…
The Appendicular skeleton is one of the divisions of the endo skeleton. It includes the pelvic and pectoral girdles and limb bones. The skeleton of the limb in all the tetra pods shows a fundamental and structural similarity. However, the differences such as arms, legs, wings and paddles are seen…
The hard parts of the animal body are collectively known as skeletal system or simply skeleton. The vertebrates possess the hard parts inside the body. It is known as endo skeleton. The endo skeletal structures are formed with cartilages and bones which are the living tissues. The endo skeleton has…
The pelvic girdle is directly attached to the vertebral column in the sacral region. The pelvic girdle consists of two similar halves which are known as ossa innominata. Each os innominatum is. formed by three bones. The dorsal bone is known as ilium, antero-Ventral bone is named as pubis and…
The hip or pelvic girdle' is present in the posterior side of the body to which the pelvic fins or hind limbs are attached. The pelvic girdle is connected directly to the vertebral column in the sacral region. The pelvic girdle has two equal halves which are known as 'ossa…
BRAIN OF CALOTES (GARDEN LIZARD) BRAIN OF COLUMBA (PIGEON) BRAIN OF ORYCTOLAGUS (RABBIT) 1. Brain of lizard is relatively small and simple in proportion to the body. 1. Avian brain is much more developed. 1. Mammalian brain is very large and is most advanced in the…
