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“ Mesozoic ” = “ Middle life ” Meso= between Zoon = living being Dinosaurs Evolution Extinction

“ Mesozoic ” = “ Middle life ” Meso= between Zoon = living being Dinosaurs Evolution Extinction 248 million years ago 65 million years ago Lasted about 180 million years Continental drift Hot climate. Evolution a nd diversification. PHANEROZOIC EON. 135 to 65.

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“ Mesozoic ” = “ Middle life ” Meso= between Zoon = living being Dinosaurs Evolution Extinction

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  1. “Mesozoic” = “Middlelife” • Meso= between • Zoon= living being • Dinosaurs • Evolution • Extinction • 248 million years ago 65 million years ago • Lasted about 180 million years • Continental drift • Hot climate Evolution and diversification

  2. PHANEROZOIC EON 135 to 65 225 to 195  195 to 135

  3. 700 different species of dinosaurs have been identified and named. STOP

  4. Fastest • Pangea • Onesupercontinent • Climate • Hot, dry • 6ºC to 12ºC higher • Seasons • Dinosaursappeared • Small, fast Dromiceiomimus

  5. Dinosaursappeared • Small, fast • Rapid evolution • Fishes • Insects • Reptiles • Cone-bearingplants • Earliestmammals • Verysmall Didyouknow? Longest dinosaur name: Micropachycephalosaurus

  6. Pangeastartsbreaking • Laurasiaand Gondwana. • Climate • Warm, moist • No polar ice= floodedareas

  7. Dinosaursreachedgreatestsize • Evolvedderiveedcharater: feathers • Archaeopteryx • Dinosaur-likebird

  8. Separationcontinues • Volcanicactivity • Climate • Sea levelsdropped • Season are back!

  9. Diversity • T-Rex (Tyrannosaurusrex) • Flying reptiles and birds • Turtles, crocodriles • Fishes and marine invertebrates • Plesiosaurs • Leafytrees, shrubs, floweringplants

  10. Which was the fiercest dinosaur? T-REX Utahraptor

  11. Destructiveevents • Meteoriteimpact • 10km wide • Mexico • Volcaniceruption • Massextinction • 70% lifeform • Alldinosaurs

  12. … ? • MAMMALS • Birds • Many plants (ferns) • Flowered trees • Small lizards/crocodiles/alligators/turtles • Fish, squids, sharks, etc.

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