Introduction to Reptiles:
Reptiles are first group of vertebrates to become completely adapted to life on land. There are 4 major groups of reptiles like: Snakes, lizards, crocodiles and turtles. Lizards and their close relatives, snakes, are leading reptiles today.
Features of Reptiles:
Name Reptile through which these animals are known, point to one of the major features of typical members of the group, their crawling method of locomotion. They are lowest vertebrates that are really terrestrial and as class they are neither well adapted for walking nor for running. The body is covered with scales that are, though, very different from those of fishes: they are evolved only from outer layers of skin, having relation with blood vessels and nerves. Whole skin is distinguished by being dry and devoid of glands. They are poikilothermic and many of them have improperly 4 chambered heart.
Reptiles have turn into independent of water because of growth of embryonic membranes. Embryo always lies in fluid-filled sac called as amnion. Allantois arises as the outgrowth from hinder part of gut and serves as receptacle for storage of embryonic urine. Part of allantois turns into closely applied to shell for respiration. Gills are absent and lungs form respiratory organs.
Lizard:
Lizard is the characteristic example of reptilian. They are characteristically dry-land animals, loving sun and its heat. They are extremely common reptiles many of them are 4-legged animals and are able to move very actively. They are generally rather small and slender creatures. Common garden lizard has very long tail.
Ecological Adaptation:
Different kinds of Lizards:
Ordinary wall lizards or Geckos are prepared with vacuum -cupped toes that allow them to hunt insects along vertical walls and ceilings of rooms. The extremely exciting protective feature, have in some of the lizards, is power to break off the tail automatically. They contain strange type of joint between two of the caudal vertebrae that allows them in emergency to break off tail. Part of tail therefore sacrificed continues for some time to move about, therefore tending to divert attention of pursuing enemy and thereby providing a possibility to lizard to escape. It can develop the new tail in due course of time. The power of automatically breaking off some parts of body is known as autonomy.
Other adaptive characteristics are given below:
i) They are cold blooded animals.
ii) They have well developed tongue that can be protruted and retracted Quickly.
iii) Its jaws contain teeth of similar kind embedded in sockets.
iv) It generally contains paired fore and hind limbs each with 5 toes ending in claws.
v) It contains inner and middle ears.
vi) It contains skin which is covered with scales.
vii) It performs gaseous exchange by its lungs.
viii) Fertilization is internal. Females lay large fertilized eggs in land. Even aquatic reptiles return to land to lay eggs.
Tutorsglobe: A way to secure high grade in your curriculum (Online Tutoring)
Expand your confidence, grow study skills and improve your grades.
Since 2009, Tutorsglobe has proactively helped millions of students to get better grades in school, college or university and score well in competitive tests with live, one-on-one online tutoring.
Using an advanced developed tutoring system providing little or no wait time, the students are connected on-demand with a tutor at www.tutorsglobe.com. Students work one-on-one, in real-time with a tutor, communicating and studying using a virtual whiteboard technology. Scientific and mathematical notation, symbols, geometric figures, graphing and freehand drawing can be rendered quickly and easily in the advanced whiteboard.
Free to know our price and packages for online biology tutoring. Chat with us or submit request at [email protected]
Theory and lecture notes of Deterministic Pushdown Automata all along with the key concepts of deterministic pushdown automata, Finite Automata with External Storage, Definition DPDA, Example of DPDA. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Deterministic Pushdown Automata.
Theory and lecture notes of Correlation & Regression all along with the key concepts of Coefficient of Determination, Correlation Coefficient, Dependent Variable, Independent Variable and Regression Line. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Concept of Correlation & Regression.
tutorsglobe.com role of bacteria in biological control assignment help-homework help by online beneficial activities of bacteria tutors
tutorsglobe.com cost-push inflation assignment help-homework help by online inflation and deflation tutors
tutorsglobe.com factors governing ionization energy assignment help-homework help by online ionisation potential tutors
Stop the anxiety of strict deadlines and avail hassle-free Cost and Revenue Assignment Help service to score top grades at low prices.
a half duplex system gives for communications in both of the directions, but only in one direction at a time but not simultaneously in both of the direction.
tutorsglobe.com troubleshooting chart of dc machines assignment help-homework help by online maintenance of rotating machines tutors
tutorsglobe.com kidney machines assignment help-homework help by online renal failure tutors
Reproduction in Gymnosperms tutorial all along with the key concepts of Microsporangia and Megasporangia, Reproduction in Gymnosperms, Male Gametophyte, Female Gametophyte, Pollination, Fertilization, Seed Development and Seed Dispersal
tutorsglobe.com supply assignment help-homework help by online demand and supply tutors
www.tutorsglobe.com offers performance metrics homework help, performance metrics assignment help, performance metrics online tutoring, performance metrics solutions by online tutors.
Fermi Surfaces tutorial all along with the key concepts of Brillouin zones, Effect of a crystal potential, Alkali metals, The noble metals, cubic divalent metals and Trivalent metals
tutorsglobe.com winogradskyis contributions assignment help-homework help by online anton van leeuwenhoek microscopes tutors
The omissions or misstatements in the financial statements are termed as Errors. They might take place for a variety of reasons that involve mathematical mistakes, oversights, misinterpretation of facts and fraud.
1956977
Questions Asked
3689
Tutors
1458215
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!