PDF-1GUIDELINES FOR USE OF LIVE AMPHIBIANS AND REPTILES IN FIELD ANDTable

23 Air Changes and Humidity 26e Food and Water 27f Substrates 27g Other Considerations 27VI Disposition of Ill or Dear Animals During Course of Study 281 Diagnosis 282 Tre. 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. Amphibian diversity. Anura. (. frogs, ~4000 sp.); . Caudata. (salamanders, ~450 sp.); . Gymnophiona. (caecilians, ~175 sp.). Skin. permeable. respiration. mucous glands. poison glands. biphasic . lifestyle. 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. Reptiles. First to move to land. Then some came back to water . 4 orders:. Snakes & Lizards. Crocodiles, etc. Tuataras. Turtles and tortoises . Reptiles. Adapated to life on land:. Lungs. Skin--hard, prevents dessication, some have slimy coating. Scientist classify organisms based on many factors. Let’s learn!. Organisms can be grouped, or . classified. , according to similarities and differences in their physical characteristics. .. Classifying Animals. Chapter 34. “Never grow . a wishbone . where your backbone ought to be” . -Clementine . Paddleford. Origin of . Tetrapods. First . tetrapods. diverged 365 million years ago . (________). ________________________and shallow inland lakes with muddy bottoms likely selected for early . KAREN LANCOUR. National Bio Rules . Committee Chairman. karenlancour@charter.net. . Event Rules – 2018. . DISCLAIMER. . This presentation was prepared using draft rules.  There may be some changes in the final copy of the rules. . 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 . Reptiles have a well-developed skull, a backbone and tail, four limbs.. Snakes will be limbless and turtles have hard shells that are fused with their vertebrae.. All reptiles have dry, scaly skin, lungs, and eggs on land.. 9-25-17. 1. How does a vertebrate differ from an invertebrate?. A. A vertebrate eats only vegetables. B. All vertebrates are warm blooded. C. All vertebrates can fly. D. All vertebrates have a backbone. Amphibians and Reptiles Class Amphibia Amphibia =Double Life Frogs, toads, salamanders, and caecilians ~6000 species Skin with mucoid secretions, lack epidermal scales, feathers or hair Larvae are usually aquatic and Characteristics of Class Amphibia. Most amphibians. are . tetrapods. , meaning they have . four limbs. , but . some are limbless. .. Amphibians have . smooth, moist skin. .. Amphibians . respire by lungs, skin, and gills;. Chapter 34. “Never grow . a wishbone . where your backbone ought to be” . -Clementine . Paddleford. Origin of . Tetrapods. First . tetrapods. diverged 365 million years ago . (________). ________________________and shallow inland lakes with muddy bottoms likely selected for early . Ecological Fitness. How well an organism has adaptations well suited to its environment. An ecologically fit organism has a survival advantage . Adaptation. An inherited characteristic that increases an organism’s ability to survive an environmental change.