In this article we will discuss about the General Characters and Classifications of Class Mammalia. General Characteristics of Class Mammalia: 1. These animals are warm blooded, hairy and have mammary or milk producing glands, (mammary glands). They are the only animals which nourish their young ones with milk. There are about 4,000 species of mammals found in the world. 2. [...]
In this article we will discuss about:- 1. General Characteristic of Class Aves 2. Flight Adaptations in Class Aves 3. Classifications. General Characteristics of Class Aves: Some of the general characters of class Aves the birds are listed below: 1. Birds are bipedal feathered and warm blooded (homoiothermous) animals i.e., they are able to maintain a constant body temperature. Their [...]
In this article we will discuss about the Characters and Classification of Chordates. Characters of Chordates: All the chordates possess four diagnostic characters either in the embryonic or adult stage. 1. Notochord: It is a solid un-jointed, stiff but flexible rod-like structure situÂated on the dorsal side between the dorsal hollow nerve cord and the alimentary canal. 2. Dorsal Hollow [...]