PDF-Snakes are elongate legless carnivorous reptiles of the suborder ...

HISTORY Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears Like all squamates snakes are ectothermic cold blooded needing environmental as sistan. caroliniana in the Eastern United States It has been found in the District of Columbia and in nine states from Virginia to southern New England and west to Ohio F externa attacks the lower surface of the hemlock needle where it remov es fluids from Ron Chakrabarty. Mark . Juhn. Daniel Montgomery. Andrew Tung. Amphibians. Family . Amphibia. Amphibians – General/Unique Characteristics. Moist, glandular skin with no scales. Feet lack claws and are often webbed. Maya, Courtney, and Jae-. L. ynn. Characteristics. Reptiles are cold-blooded, vertebrates with scales covering their skin. . They are considered as tetrapod's (with four legs or leg-like appendages) even though legs are absent in some animals, like snakes. . Phylum: . Chordata. . Subphylum:Vertebrata. Order. Testudines. Rhynchocephailia. Squamata. Crocodilia. Common . example. Turtles and tortoises. Tuataras-found only in New Zealand. Lizards, snakes, and worm lizards. Being safe at school, home and on holidays. About Snakes & Other Reptiles. Snakes . and other reptiles . . are not something to be feared, but . rather creatures . to be respected as . . fascinating . &. Dissect. By: Andrew Butler. Carnivorous. [kahr-niv-er-uh-s]. Adjective. Flesh Eating. Of the carnivores. dictionary.com. examples. ¨A new carnivorous dinosaur dubbed ´Lightning Claw´ has been described after being discovered in Lightning Ridge, New South Whales.¨. Reptiles. Reptile Characteristics. Reptiles are . ectotherms. . with thick, dry, waterproof skin. They have scales to help reduce water loss and protect the reptile. . When reptiles are cold they will lay in the sun to warm up. When they are hot they will hide in the shade to cool down. . . . . Snakes . are divided into:. . aglyph. (without poison) . . back fanged. (with poison in rear teeth) and. . fanged. (with poison in fangs in the front of the jaw). . . Aglyphs. 2. Amniotic eggs have . membranes that protect the embryo from . desiccation, cushion the embryo, help with gas exchange, and store waste material.. 3. The amniotic eggs of reptiles and birds also have leathery or hard shells that protect the developing embryo, and a yolk that supplies food to them.. History. Started to appear on land about 35 million years after Amphibians. Some of the Amphibian species began to change for a life better suited on land. Thicker skin, strong legs, eggs with shells. more . than 2,700 species of snakes in the world . of which about four fifths are non-venomous, . are distributed throughout the temperate and tropical zones of the world . About two thirds of all snake species belong to the family . Fully adapted for life on land. All Amniotes – produce Amniotic Eggs. Dry, Scaly Skin. Ectothermic . More Efficient Circulatory and Respiratory Systems. Cloaca . Except for snakes, Reptiles have Paired limbs, most ending in 5 clawed toes . Chapter 26 Reptiles and Birds Reptiles Skin is smooth and dry, covered in scales Helps prevent the evaporation of water from its body. First vertebrates with adaptations that enabled them to survive on land only. (. Ophiophagus. . hannah. ).  . unique.  . genus.  . Ophiophagus. , whose scientific name derives from the Greek for “snake-eating”, in reference to its dietary habits . (5. ). .The . head is broad and flattened .