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; [...]
In this article we will discuss about the General Characters and Classification of Sponges. General Characteristics of Sponges: Some of the general characters of sponges are listed below: 1. Habitat: All sponges are aquatic, mostly marine, rarely fresh water (e.g., Spongilla), solitary or colonial, sessile (attached to the substratum). Sponges like warmer water. They are not usually found in cold [...]
In this article we will discuss about:- 1. Levels of Organisation Found in Animals 2. Body Plans of Animals. Levels of Organisation Found in Animals: 1. Protoplasmic or Acellular Level: The organisation is at the level of protoplasm. It is present in protozoans. 2. Cellular Level: The body consists of many cells which may be similar or show minor division [...]