In this article we will discuss about the Structure of a Typical Fish. Fishes are cold blooded animals, typically with backbone, gills and fins. The body of a typical fish comprises the head, trunk and tail. The head bears two eyes, with well developed nictitating membrane, two internal ears, two nostrils which are closed internally (except in lung fishes) and [...]
The upcoming discussion will update you about the difference among the three groups of mammals. Difference # Prototheria: 1. Prototheria is oviparous. 2. Pinna is absent in prototheria.z 3. Prototheria has no nipples (mammae). 4. No marsupial pouch is present in prototheria. 5. in Prototheria, digestive and urinogenital tracts open into a cloaca. Cloaca opens outside through cloaca aperture. 6. [...]
The upcoming discussion will update you about the difference between Ape and Man. Difference # Ape: 1. Brow ridges are very prominent. 2. There is small diastema between incisors and canines. 3. Arms are longer than the legs. 4. Vertebral column has one curve. 5. Both pollex (thumb) and hallux (great toe) are opposable. 6. Ape is not able to [...]