PPT-Marine Reptiles and Birds

ByBiancaDavidHector and Halle Marine Reptiles The circulatory systems of reptiles are more advanced than a fishes circulation through the lungs is nearly completely separate from circulation through the rest of the body. External Anatomy of a Bird. Beak. Crown. Iris. Pupil. Mantle. Lesser Coverts. Scapulars. Coverts (Feathers). Tertials. Rump. Tail Feathers. Vent. Thigh. Knee. Tarsus. Feet. Tibia. Belly. Flanks. Breast. Vertebrates. 350 m.y.a. vertebrates invaded land. Decendents of bony fish . Land vertebrates had to adapt to harsher conditions on shore. Tetrapods had to develop lungs that allowed for absorption of oxygen directly from air. . Javier G. Nevarez DVM, PhD. jnevarez@vetmed.lsu.edu. 225-578-9657. It’s all about metabolism!. Immediate Needs. Housing. Food. Housing. Well ventilated. Easy to clean and disinfect. Escape . resistant. of the week!!!. Sea birds and marine reptiles. Marine Reptiles. . 7000 living species. Poikilotherms. . Ectotherms. First appeared more than 3MYA. Sea Turtles. An ancient group of reptiles. Bodies . 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. NS3310 - Physical Science Studies. Geologic Time. Relative Time. Law of Superposition. Uniformitarianism. Unconformities. Absolute Time. Radiometric Datine. Earth History. Hopscotch Through Geologic Time. Geologic Time. Geologic Time. Relative Time. Principle of Superposition. Principle of Original Horizontality. Principle of Original Continuity. Principle of Crosscutting Relationships. Principle of Inclusion. 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 . Shore Birds:. Also known as Waders. Feed on abundance of marine life in the intertidal zone. Size varies from as small as a sparrow to larger than a chicken. Group includes oyster catchers, tattlers, curlews, godwits, turnstones, sandpipers, jacanas, surfbird, phalaropes and inland species such as woodcocks. 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 . 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. Scientific NameTaxonAllegheny woodratNeotoma magisterMammalsIndiana myotisMyotis sodalisMammalsLittle brown myotisMyotis lucifugusMammalsNew England cottontailSylvilagus transitionalisMammalsNorthern 26.1 Amniotes. The amniotic sac contains everything an embryo needs to grow.. some develop inside mother’s body. some develop inside a tough, . semipermeable. . shell. The amniotic egg allowed vertebrates to reproduce on land.