life and stuff

By terminater3501
  • 1 CE

    USA's declaration if Independence

  • 2

    historical date of Jesus birth

  • 10

    humans appear

  • 37

    Primitive horses appear

  • 38

    Anthropoids appear

  • 60

    Primates appear

  • 66

    Great Extinction

    Dinosaurs disappear
  • Period: 66 to 1 CE

    Cenozoic Era

  • 144

    Primitive birds appear

  • 208

    Great Extinction

    mammals and dinosaurs appear
  • 245

    Great Extinction

    seed plants appear
  • Period: 245 to 66

    Mesozoic Era

  • 286

    Reptiles appear

  • 360

    Great Extinction

    amphibians appear
  • 408

    Land plants appear

  • 438

    Great Extinction

    fish appear
  • 505

    Marine Invertebrates appear

  • 550

    Cambrian Explosion

    huge diversity and complexity increase in a relatively short period of time
  • Period: 550 to 245

    Paleozoic Era

  • 650

    Sexual Reproduction begins

  • 650

    Multicellular life appears

  • First eukaryotes appear

  • First Great Extinction

    oxygen producing bacteria "poison" the environment, age of aerobic organisms begins

  • First photosynthetic/autotrophic bacteria appear

  • Earliest evidence of life

  • Period: to 550

    Precambrian Era