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 upcoming discussion will update you about the differences between Insect and Spider. Difference # Insect: 1. Body is divisible into head, thorax and abdomen. 2. It has compound eyes. 3. Labrum, labium, hypo pharynx, mandibles and maxillae are the mouth parts. 4. Wings are usually present. 5. Three pairs of legs are present. 6. Antennae are present. 7. There [...]
In this article we will discuss about the general characters and classification of Phylum Mollusca. General Characteristics of Phylum Mollusca: 1. Habitat: They are mostly marine. Many, however, occur in fresh water and some even in damp soil. 2. Body Form: The body of molluscs is un-segmented with a distinct head, muscular foot and visceral hump. Neopilina is a segmented [...]