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FSU BSC 1005 - Bio exam 4 review

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EXAM 4

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Bio exam 4 review• Pg 129. Can be used to find answers for ones in red ( which is given during exam)• Paleontologist – Someone who studies “ancient organism” • Pale biologist - study of ancient life• China first written account of dinosaurs • The scrotum humanum found in England (end of the thigh bone in t rex)• Cuvier found concept of extinction • Megalosaurus first real dino’s named• Iguanodon first one got a lot attention know from large teeth• Richard Owen 1843 named them fearfully great reptiles • Dinosaur’s relative with the pterosaurs crocodile• Dino have 3 or more sacral vertebra, 3 main fingers and perforate acetabulae • 2 kinds of Dino’s Ornithischians and Saurischians • Deinonychus brought the Dino renaissance in 1964 changed our view to agile and large brained • Robert barker found the Deinonychus (known form Jurassic Park)• Dino’s lived from 238 million to 65.5 million ago• Do half life to fine how old Dino’s are, best use uranium 235 for rate of decay turns to Lead 207• World was warmer • Plate tectonics by continents move• Deinosuchus is a giant croc• Deinosuchus Highest bite force 3700 lbs ever measured• Plesiosaurs supposed lochness monster seas monster not dino• Trace fossil- not actual dino ex. Tracks and eggs• Sedimentary rock is where we find dinos• Badlands are excellent areas to dig for dinosaurs• Dinosaurs are not found in Florida, found in Georgia• The First dinosaurs were small• Endo-cast - a latex cast of the brain• Crazy paleontology was solely based on people didn’t have any knowledge in bio (geology)• Cerapodans has a gap between the front and back teeth• Heterdontosaurs different shape teeth• Sexual dimorphism- differences in size due to sex• Duckbills have tooth battery hundreds of little teeth• We know a lot about duckbills because we have a lot about them• Marginochephila have rim of bone • Thought was used to head butting and flank butting• Finite element modeling- to see what they are good at• Protoceratops have horned faces• Ovirator named egg stealer but were there eggs• Saurishian dinos pubis points forward instead of back• Saurpods had nose ontop of head• Diplodocids -Longest dino would not fit in here 140 ft would go to the stairs outside• Apatosaurus is also known as brontosaurus • Brachiosaurs - Tallest dino is about 60 ft would not fit• Theropods have hollow bones • Ceratosurs have gap in back teeth thought it was poisonous• Spinosaurus was blown up• Ornithominindis fastest • Theropods have a herbivores• Troodontids smartest dinos • Encephalization quotient – brain to body ratio• Trex 1. have 2 fingers no tail on the ground 2. great sense of smell3. Could amble (not run)4. Cannibalistic 5. Scavenger and hunter• Dino death and rebirth • Had a growth rate like mammals and then stopped at one part of the year• Dinos went extinct went 65.5 million years ago• A lot of other things died as well• 3 main things thought to kill1. Volcano2. lowering sea3. Crater• First bird archaeopteryx• Found to be related to theropods • Most Paleo’s believe birds are theropd’s dinos • Dino were land animals • 7 oz is smallest


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