Reptile, any member of the class reptilia, the group of airbreathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all of their body. Class reptilia grade reptiles clade if you include aves a. Introduction the word reptilia came from latin word reptum which means creep. But the point of this article is merely to give you a glimpse into the fascinating world of reptiles and, hopefully, pique. Reptiles live in a wide range of habitats, including forests, swamps, grasslands, deserts, oceans, and mountains. Cant wait to have reptiles alive back next year to our event. An amphibian is a class of animals that live their lives both in and out of water. Reptilia definition of reptilia by the free dictionary. Reptile, any member of the class reptilia, the group of airbreathing vertebrates that have internal fertilization, amniotic development, and. Egg covered in a mineralized shell reptiles have leathery eggs.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Notice how birds somehow fall into this phylogenetic tree. External structure ecdysismolting color for camouflage, mimicry and warnings. Class aves kentucky department of fish and wildlife.
These 21 interesting facts about reptiles merely scratch the surface. Class agnatha subclass pteraspidomorphi diplorhina subclass cephalaspidomorpha. Bones of the skull are loosely attached and not fused. The major groups of living reptiles are turtles, tuatara, lizards, snakes, and crocodiles. Birds evolved from a lineage of reptiles dinosaurs. The class name refers to their creeping or crawling mode of locomotion latin, repere or reptum, to creep or crawl. During some period of their life cycle, chordates possess a notochord, a dorsal nerve cord, pharyngeal slits, an endostyle, and a postanal tail. Following are the important characteristics of the animals belonging to class reptilia.
Class reptilia turtles, tortoises, tuataras, crocodilians, lizards, and snakes classification domain eukarya kingdom animalia phylum chordata subphylum vertebrata class reptilia order chelonia order crocodilia order squamata order rhynchocephalia order chelonia turtles and tortoises earliest fossils dated to 200 m. Classification of reptilia zoology for ias, ifos and. Class reptiles is not a monophyletic group because traditionally it does not include birds. Fun reptile facts for kids interesting information about. Muscular system all reptiles mainly use their muscles as locomotion. Learn what reptiles are, how they defend themselves, examples of reptiles and much more.
The class reptilia, or reptiles, traditionally included a diverse group of animals. They are vertebrates, which puts them in the same phylum as humans, dogs, cats, fish and many other animals. Software sites tucows software library shareware cdroms software capsules compilation cdrom images zx spectrum doom level cd. Read on and enjoy a variety of interesting information about reptiles. An introductory presentation for my high school zoology course that examines the class reptilia. Removes nitrogenous wastes and protects the embryo from drying out. The function of these temporal fossae was probably to enable the jaw muscles to. The class reptilia includes the snakes, lizards, crocodiles, and turtles of the world. They are mostly terrestrial animals and their body is covered by dry and cornified skin, epidermal scales or scutes. To identify an animal as a reptile, it should have each of these characteristics. External structure dry thick, keratinized skinforms scales. Question 1 2 2 pts class reptilia and class amphibia share many traits, but reptiles are able to inhabit many areas that amphibians cannot. Snakes are distinguished from other reptiles by the following combination of characteristics.
The more recently shared a common ancestor and the more closely they are related in evolutionary terms. Skeletal system all reptiles have a hard, bony skull to protect their brains. Class reptilia definition of class reptilia by the free. Class reptilia vertebrate zoology lecture notes docsity. Craniata, subphylum craniata, subphylum vertebrata, vertebrata fishes. Amphibians amphibia and reptiles reptilia are two classes of animals that are grouped together because they are considered cold blooded however this is an improper term. Amnion thin membrane enclosing the fluid in which the embryo floatsprevents drying out. Amphibians are the most threatened class of animals due to extensive water pollution and the appropriation of their aquatic habitat for human needs. So instead of reptilia as a taxonomic class, today many experts use class sauropsida which includes all reptiles and birds, living and extinct.
Another reason is that the word reptile is misleading because many extinct types were very different from living reptiles. Thus reptiles are concerned in three of the four major jumps the classtoclass transitions in vertebrate evolution. I could just as easily have expanded this list to be 50 interesting facts or even 100. Though variation exists in reptiles, there are a few physical traits that unite them. They are the first cold blooded vertebrates from evolution point of view which came to the land. Snakes and lizards are in class reptilia, order squamata. Scientists classify organisms and assign each one a universally accepted name.
First, the class reptilia lies at the center of vertebrate history. Species from three of these orders occur in north america. Class reptilia a free powerpoint ppt presentation displayed as a flash slide show on id. Class reptilia, mesozoic era, age of reptiles, early evolution of amniotes, characteristics of reptiles, terrestrial. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Phylum reptilia objective type questions pdf download. About 6,340 amphibians have been identified, 32 percent of which are either threatened or extinct and over 42 percent of which are declining in number. In this lesson, well explore the reptile class, discover what other animals are reptiles, what makes them related, and why they are important. Currently, 301 species of reptiles are recognized in north america north of mexico.
Nov 21, 2017 reptilia, presented as a class in our classification, includes turtles testudines, snakes and lizards lepidosauria, crocodiles and their relatives crocodilia, and birds aves, as well as a. Reptilia are two classes of animals that are grouped. Reptilia, presented as a class in our classification, includes turtles testudines, snakes and lizards lepidosauria, crocodiles and their relatives crocodilia, and birds aves, as well as a. Reptiles therefore identified as amniotes that are not birds 6. The upper part of the skull of reptiles is modified giving the reptiles a far more efficient and powerful jaw action and making the skull light. Reptiles are the creeping and burrowing cold blooded vertebrates bearing epidermal scales.
There are almost 10,000 species of reptiles on the planet lumped into a single class known as reptilia. Yolk sac surrounds the yolk nutrients for embryo d. The amniotic egg is different because they have four extra membranes. Distinguishing features that set the reptiles apart from the amphibians fully terrestrial. Living and extinct member of class reptilia along with dinosaurs and birds. All reptiles, including snakes, turtles, crocodiles, and lizards, are equipped with airbreathing lungs, though different kinds of reptiles employ different means of respiration. Some of the general characters of class amphibian are listed below. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Proper usage and audio pronunciation of the word class reptilia. Classification of reptilia zoology for ias, ifos and other.
They have evolved from the amphibians and in turn, give raise to the birds and mammals. Ppt class reptilia powerpoint presentation free to. Characteristics of reptiles coldblooded regulate their body temperature using the environment can survive both on land and in water most lay eggs most have scales, none have hair or fur all lack external ears. All the articles you read in this site are contributed by users like you, with a single vision to liberate knowledge. Reptiles are tetrapod animals in the class reptilia, comprising todays turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. Below, i have compiled what i feel are some of the most interesting facts about the reptiles of the world.
Class reptilia is made up of four orders classified as chelonia, rhynchocephalia, squamata, and crocodilia frye, 1991. In 1895, herpetologists separated reptiles from amphibia. In this article we will discuss about the characters and classification of reptilia. Amphibian characteristics, taxonomy, and evolution goal of the lecture reading assignments. Thus reptiles are concerned in three of the four major jumps the class to class transitions in vertebrate evolution. Class synapsida includes mammals and all their forebears. General characters of class reptilia free download as powerpoint presentation. A set of pictures, labels, and definitions illustrating the main characteristics internal parts of the reptile a booklet of the main characteristics internal parts of the reptile a wall chart of the reptile a live reptile, both a snake and lizard are preferred. The phylogeny and classification of reptiles not many. Welcome to our presentation classification of reptiles 2. Even though most traditional models of classification will put birds in their own class, they. May 10, 2010 an introductory presentation for my high school zoology course that examines the class reptilia.
Class aves blackthroated green warbler dendroica virens federal heritage grank srank grank srank status status simplified simplified n n g5 s4b g5 s4 gtrend stable gtrend the breeding bird survey shows a significant increase of 1. Pdf by september 2009 an estimated 9084 species of extant reptiles have been. The reptiles are classified mainly on the structure of their skulls, in which there are temporal vacuities or fossae or empty spaces in the temporal region. Class amphibia amphibians click on any image for larger version tetrapod characteristics.
Characteristics of class mammalia is an online article publishing site that helps you to submit your knowledge so that it may be preserved for eternity. True false question 6 2 2 pts which two of the following. This marks the start of the amniotes animals with amniotic eggs amniotes include. They are ectothermic coldblooded and are found mostly in the warmer parts of the world. Class reptilia the upper part of the skull of reptiles is modified giving the reptiles a far more efficient and powerful jaw action and making the skull light. One of the most striking of these is the presence in males of welldeveloped, paired copulatory organs called hemipenes.
Pdf the original descriptions of reptiles researchgate. Species of the class reptilia are abundant and more diverse in hot climate regions and are rare in regions of intense cold, such as those close to the poles. Since mammals are of different types they are classified into three subclass based on their reproduction. Class reptilia and class amphibia share many traits, but reptiles are able to inhabit many areas that amphibians cannot. This article is a good example of the amazing diversity of reptiles. Reptilia class of coldblooded airbreathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates. In this article we will discuss about the general characters and classification of class amphibian the vertebrates with dual life. True false question 6 2 2 pts which two of the following animals are most closely related to each other. Adaptations for terrestrial life amphibians are adapted to live on land parttime. One of the most important characteristics of animals is how efficiently they gather and utilize oxygen, the molecular fuel that powers metabolic processes. They have a long vertebral column to protect their nerve chord, a sturdy rib cage to protect vital organs. Mammals are of different types and can be distinguished up into marine mammals, smaller mammals and larger mammals.
Order crocodilia crocodilians, order testudines turtles, and. Class osteichthyes subclass actinopterygii infraclass chondrostei. General characters of class reptilia reptile anatomy scribd. Download objective type questions of phylum reptilia pdf visit our pdf store. Reptile simple english wikipedia, the free encyclopedia. There are three orders within this class, the most common of which includes frogs and toads. Rachel was incredibly professional, engaging, and clearly loves what she does. What is an example of a hypothesis that may explain species of the class reptilia are rarely found in polar regions.
Themed practice pages and teaching tools also focus on a range of language arts and math skills. Class reptilia body plan have a scale covered skin, and they have claws. Reptilia article about reptilia by the free dictionary. Elongation of internal organs and often the loss of the left lung. Which of the following reptile traits is most responsible for this ability. All these animals fall under the same phylum, the phylum chordata. There are about 6,550 living species of reptiles worldwide. Reptiles and amphibians teach kids about reptiles and amphibians with informational texts, science projects, worksheets, and educational activities. The reptiles class reptilia include turtles, snakes, alligators, and lizards. Reptiles are coldblooded vertebrates, breath by lungs and having the body covered by scales or scutes.
Kodi archive and support file community software vintage software apk msdos cdrom software cdrom software library. Aug 10, 2017 class reptilia is the group of animals known as the reptiles. Scientists once communicated about organisms by using common names. Some of these are facts about reptiles in general, while other are facts about particular species within the class reptilia. The class reptilia the reptiles class reptilia exploring nature. Phylum reptilia mcq multiple choice question and answer phylum reptilia mcq with detailed explanation for interview, entrance and competitive exams. Class reptilia is the group of animals known as the reptiles. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Scientists classify because it is an organized way to communicate about the same organism all over the world. A basioccipital bone is present in the skull which articulates with the vertebral column by a single condyle. They are actually considered ectothermic, meaning they derive heat from outside sources, most commonly the sun. Reptilia synonyms, reptilia pronunciation, reptilia translation, english dictionary definition of reptilia. Ppt class reptilia powerpoint presentation free to view.