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Free Reptiles Essays and Papers

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    Reptiles

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    Reptiles are vertebrate, or backboned animals constituting the class Reptilia and are characterized by a combination of features, none of which alone could separate all reptiles from all other animals.The characteristics of reptiles are numerous, therefore can not be explained in great detail in this report. In no special order, the characteristics of reptiles are: cold-bloodedness; the presence of lungs; direct development, without larval forms as in amphibians; a dry skin with scales but not feathers

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    The Evolution of Reptiles

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    groups of reptiles, known as Crocodilians, Squamates, Tuataras, and Turtles. Crocodilians consists of large reptiles which includes alligators, crocodiles, gharials, and caimans. Squamates are lizards, snakes, and worm-lizards. A worm-lizard is a subterranean burrowing reptile that resembles an earthworm, a legless lizard. Tuataras are a group of reptiles that are lizard-like in appearance but are different from squamates because their skull isn’t jointed. Turtles are the most ancient reptiles alive

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    Reptiles, the class reptilian, are an evolutionary grade of animals. The reptile family consists of an order and a class one big family of species that has all evolved from one another. These 3 groups being Crocodilian, Squamata, and Testudines. Reptiles have been around for millions of years. The earliest known reptiles originated 340-335 million years ago during the carboniferous period, having evolved from advanced reptile-like amphibians that became increasingly adapted to life on dry land. Although

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    Reptiles are an evolved group of the early amphibians (Gogger, 2014), they are among the most remarkable components of global biodiversity. Reptiles have successfully invaded most areas of the world, except the poles, and including the oceans (Pincheira-Donosa et. al., 2013). The Philippines is home to about 332 recorded species of reptiles amphibians, 215 of which are endemic (Wild World, no year) While the knowledge of Philippine herpetofauna is slowly increasing, there is still a lack of knowledge

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    Transitions of Reptiles to Mammals A long long time ago, in a galaxy not too far away, was a little blue planet called Earth, and on this world not a single mammal lived. However a lot of time has past since then and we now have lots of furry creatures that are collectively called mammals. How did they get their? Where did they come from? These are the kinds of questions that led me to my subject of choice. I will endeavor to provide examples, using specific transitional fossils, to show that mammals

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    The Pros and Cons of Reptiles as Pets

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    some form or other, for 300 million years? Reptiles are fascinating animals that have been around since the Carboniferous Period, 300 million years ago. Many different species of reptiles have come and gone over the course of time and there are five main groups. Turtles and tortoises are distinguished by the presence of their carapace, or shells, which is also their main defense against predators. Lizards are the most diverse and varied among the reptiles with many different types from chameleons

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    The Biology and Diversity of Extant Reptiles The word reptile itself does not describe a monophyletic group of vertebrates, like the mammals or birds. It is used to classify a polyphyletic group of animals that are a subset of the larger group of Amniotes. The term is best described through a cladogram: [IMAGE] The reptiles first appeared in the early Carboniferous, having evolved from labyrinthodont amphibians. They had several distinct advantages over the amphibians that allowed them

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    The Evolution of Ichthyosaurs- Large Aquatic Reptiles In the early 1800’s, a new discovery that left paleontologists in awe was the fossil finding of the immeasurable amount of species of reptiles, Ichthyosaurs. Greek for “fish lizards”, these fossils were found all over the world. Because these large aquatic reptiles migrated just as whales do today, paleontologists have had the amazing advantage of collecting fascinating bone fragments throughout the past 177 years. Ichthyosaurs swam the ocean

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    Reptiles, one the most widely spread animal group throughout the world. They can live almost everywhere because they adapt so well. Reptiles also come in a lot of shapes, sizes and colors. So let's explore the wonder of these scaly creatures. Even though there are so many differences between reptile species, there are a few things they all have in common. All reptiles are coldblooded, which is not quite right because there blood isn't cold. Coldblooded or poikilothermic actually means that

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    Tetrapods

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    were more suited to grasping, others to swimming, flying or walking. During the late Devonian Period the older aquatic clades split from the tetrapods. The tetrapods continued to evolve over time. There are four classes of tetrapods: amphibians, reptiles, birds, and mammals. They evolved in this order as well. Within the four classes, the limbs of different groups changed and adapted in order to suit their surrounding environment. This led to many different tetrapod morphologies resulting in some

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