ES period 7

  • Cretaceous

    Cretaceous
    -first flowering plants appear -angiosperm
    -impact hypothesis- dinosaurs mass extinction
    number 5 and 35
  • Jurassic

    Jurassic
    -flying reptiles called pterosaurs are in the air now
    -the dines begin to get big and dominate the land-lizard hipped and bird-hipped appear- carnivores and herbivores have arrived
    number 3 and 13
  • Triassic

    Triassic
    -Squirrel sized dinosaurs and the first forest dwelling mammals appear
    -Ichthyosaurs are living in the ocean, new invertebrates numbers 16 and 34
  • Permian

    Permian
    -Appalachian Mountains are created because of the collision of tectonic plates and savannahs form
    -Environmental change causes mass extinction of sea intertibrates (trilobites and eurypterids) as the seas retreat numbers 8 and 38
  • Ordovician

    Ordovician
    -There is very little life during this period
    -Colonies of tiny invertebrates call graptolites flourished and vertebrates appear, fish didn't have jaws or teeth and their bodies were covered with tiny bony plates numbers 1 and 30
  • Carbonise

  • Missi

    -early reptiles resembling large lizards appear number 21
  • Devonian

    Devonian
    -huge plants begin to develop, early amphibians
    -Age of fishes, fish can breath out of the water and spend time on land form number 31 and 37
  • Silurian

    Silurian
    -Eurypterids (sea scorpions, sea starts and coral become more common
    -Vascular land plants and animals, such as scorpions begin to evolve on land
    number 24 and 33