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A Dinosaur’s Life

A Dinosaur’s Life. When Dinosaurs Roamed America!. Evolution of Dinosaurs. Dinosaurs were alive for 183 Million Years!!. What do Dinosaurs Eat?. Omnivores Eats BOTH meat and plants . . . Like a sandwich with turkey and lettuce!. Herbivores Plant-eater

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A Dinosaur’s Life

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  1. A Dinosaur’s Life When Dinosaurs Roamed America!

  2. Evolution of Dinosaurs Dinosaurs were alive for 183 Million Years!!

  3. What do Dinosaurs Eat? • Omnivores • Eats BOTH meat and plants . . . Like a sandwich with turkey and lettuce! • Herbivores • Plant-eater • Autotrophs – plants, algae and photosynthesizing bacteria • Carnivores • Meat-eater • Predation - living animals • Scavenging – • dead animals

  4. Flying Reptiles = Pterosaurs • NOT Dinosaurs • NOT Birds • SO WHAT ARE THEY? . . . FLYING REPTILES • Meat-eaters • Large, sharp-toothed jaws that looked like a bird’s beak • Wingspan of about 4 feet • Long, pointy tail

  5. Triassic Period PLANT – EATERS MEAT - EATERS • Melanorosaurus • Mussaurus • Pisanosaurus • Eoraptor • Coelophysis • Staurikosaurus • Saltopus – “hopping foot” not much larger than a rabbit weighing around 2 lbs.

  6. Jurassic Period GIANTS TOUGH GUYS Bigfoot was a plant-eater almost 15 feet tall Brachiosaurus 40 to 70 feet tall and may weigh as much as 12 elephants Stegosaurs Plant eating dinosaurs with tough skin and backs made of plates or spikes = natural armor! Kentrosaurus Double row of plates halfway down its back and one sharp spike sticking out from the shoulder.

  7. Jurassic Period • Allosaurus – major meat eater • Nickname: “King of the Hill” • Elaphrosaurus – swift runner • Nickname: “Run, Dino, Run” • Compsognathus – one of smallest known . . . smaller than a hen • Nickname: “Chicken Little” • Megalosaurus – first dinosaur to be named • Nickname: “Nameless”

  8. CRESTACEOUS PERIOD HADROSAURS Nose that looked like a duck’s beak . . . Some had a crest on their head and some didn’t! ANKYLOSAURS Armored all over its body with tough plates and a tail that sometimes ended with a club! BONEHEADS Had really thick skulls and males fought head to head . . . Some even had thick spikes or bony knobs on the head or face for defense! Tough Plates were called OSTEODERMS where “Osteo” means “bone” and “derms” means “skin.”

  9. CRESTACIOUS PERIOD CERATOPSIANS Plant-eaters and name means “horned face.” Example  TRICERATOPS DROMAEOSAURS Meat-eater that hunts using super-sharp claws, but also had an extra-long claw on each foot! Example  BIGFOOT

  10. Crestauceous Period BIRD MIMICS “Ornithomimids” Dinosaurs that resemebled modern-day birds, but could NOT fly. DROMICEIOMIMUS meat-eater that could run up to 40 mph TYRANNOSAURUS “T-Rex” Massive meat-eaters 40 to 50 feet long with a head more than 4 feet long . . . a 6 year old could sit inside it!

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