birds and pterosaurs (flying reptiles). Pterosaurs were the first vertebrae to evolve and true fliers as proved by UC Berkeley ’s Dr. Kevin Padian. They are derived from the bipedal‚ cursorial archosaur. Another successful and diverse group to evolve are birds. The birds did not exist two hundred million years ago. The first evidence was found in Germany about the origin of birds in 1861. It was a skeleton with long‚ bony tail‚ claw and teeth which was similar to reptile. It also had feathers and wings
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Geography Study Notes for Exam Landforms * Formation of Canada * Step 1: hot volcanoes were located where the North American Canadian area is located. * Step 2: erosion eroded away the tops of the volcanoes making them shorter * Step 3: more erosion literally combined the volcanoes into one mass of rocky land * Step 4: the mass of land is now a hard smooth plate‚ the Canadian Shield * Step 5: the Atlantic plate crashed into the east side of Canada and the area
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The fer – de – lance snake is one of the reptiles that a visitor might encounter; it’s thought to be one of the most aggressive of the reptiles. Quite possibly a unique species in the region is the glass frog making it one of the most photographed subjects among tourists. The frog features translucent skin; whenever set on a clear piece of glass
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About | Gallery | Service | Firms | Fun | Research Design of an animal hospital at Potawatomi Zoo 500 S. Greenlawn Ave.‚ South Bend‚ IN 46615‚ United States of America Jeremy Goodman‚ DVM‚ Assistant Director / Veterinarian‚ Potawatomi Zoo edited by Monika Fiby‚ MLA‚ ZooLex Zoo Design Organization All images © Jeremy Goodman‚ 2003 September 2003 Portuguese translation by Elias Sadalla‚ 2004 Potawatomi Zoo opened an animal hospital in 2002. Significant research was done planning a
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[pic] Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla‚ families and genera have some species that live in the sea and others that live on land‚ marine biology classifies species based on the environment rather than on taxonomy. Marine biology differs from marine ecology as marine ecology is focused on how organisms interact with each other and the environment‚ and biology is the study of the organisms
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VISIT TO THE CROCODILE BANK The Madras Crocodile Bank is one of the largest reptile zoos in the world. It was started on 26 August 1976 by herpetologist Romulus Whitaker. Crocodile Enrichment is a key activity here. The first species on display is a Mexican Giant Musk Turtle. It is a species of turtle in the Kinosternidae family which is found in Central America and Mexico. The small roofed turtle was next on display. It is a species of turtle in the Geoemydidae family. It is found in the major
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The platypus‚ which is a semiaquatic mammal‚ belongs to the family of Ornithorhynchidae (Platypus‚ n.d.b). However‚ the slender-snouted crocodile‚ which is an aquatic reptile‚ comes from the family of Crocodylidae (African slender-snouted crocodile‚ n.d.). They are both vulnerable animals (African slender-snouted crocodile‚ n.d. and Platypus‚ n.d.b) because of human hunting activities. There are plenty of similarities and differences between the platypus and the slender-snouted crocodile in terms
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the Velociraptor was not the only raptor that lived. There are 28 notable types of raptors that have been discovered. These include the Utahraptor‚ the Zhenyuanlong‚ the Velociraptor‚ and the Dakotaraptor (“Raptors - The Bird-Like Predators of the Mesozoic Era.”). The two most notable however‚ were the Velociraptor and the Utahraptor. The Velociraptor was about the size of a chicken and was covered in feathers. The Utahraptor was the largest raptor to ever live‚ and much like the Velociraptor‚ was
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* 3 kinds of vertebrate kidneys * Pronephros * Adult hagfish & (embryos fish and amphibians) * Mesonephros * Adult fish and amphibians & embryos of reptiles‚ birds‚ and mammals * Metanephros * Adult mammals ‚ adult reptiles & birds Marine Fish * Mesonephric kidney * Body fluid has lower ion concentrations * Water tends to leave the fish causing dehydration. * Drinks lots of saltwater‚ secrete ions
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[6] Birds are categorised as the biological classAves in Linnaean taxonomy. Phylogenetic taxonomy places Aves in the dinosaur clade Theropoda.[7] Definition Aves and a sister group‚ the clade Crocodilia‚ contain the only living representatives of the reptile clade Archosauria. During the late 1990s‚ Aves was most commonly defined phylogenetically as all descendants of the most recent common ancestor of modern birds andArchaeopteryx lithographica.[8] However‚ an earlier definition proposed by Jacques Gauthier gained
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