Here is a list of thirty-four types of mammals that are found in India. Mammal: Type # 1. Ornithorhynchus (Duck-billed Platypus): It lays eggs in the nests. The beak or bill is broad and flat just like a duck, hence named as duck-billed platypus. Pinnae are absent. Both the webbed feet and flattened tail help in swimming. Mammary glands are [...]
List of four main types of reptilia found in the world. The types are: 1. Dinosaur 2. Tortoises and Turtles 3. Lizards 4. Snakes. Reptilia: Type # 1. Dinosaur: The word ‘dinosaur’ is a blend of the Greek terms ‘deinos’ (meaning terrible) and saurus (meaning lizard). Richard Owen coined the term dinosaur. The dinosaurs were divided into two main types; [...]
The below mentioned article provides biology notes on Class Osteichthyes. 1. The endoskeleton is cartilaginous in the embryonic stage, but in the adult forms more or less it is replaced by bones. Thus they have bony endoskeleton. They are ectothermic (cold blooded). There are about 25,000 species of bony fishes. 2. Caudal fin usually homocercal symmetrical (Gr. homos- alike). 3. [...]