geologic

• Eon when extreme heat and bombardment in meteorites happened: Hadean Eon
• Giovanni Arduino

  is an Italian geology that named the layers of rocks
• Proterozoic Eon - earlier life
• Phanerozoic Eon - visible life
• When did mesozoic era end - 65 million years
• It is a timeline that illustrates Earth's history based on geologic events and life forms.

  Geologic Time Scale
• Nicolas Steno

  made the First Laws of Statigraphy
• Stratigraphy

  the science of interpreting data and layers of rock
• William Smith

  discovered and identified rock layers by the help of fossils
• Archean Eon

  the appearance of Cyanobacteria
• During which geological era did mammals experience a significant diversification and expansion in their diversity and ecological roles?

  Cenozoic Era
• Which early ape species is believed to be the first to walk upright?

  Sahelanthropus
• Which geological feature represents layered structures formed by the trapping, binding, and cementation of sediment by microbial communities over billions of years?

  Stromatolites
• What term refers to the supercontinent that existed during the late Paleozoic and early Mesozoic eras, approximately 335 to 175 million years ago?

  Pangaea
• What is the largest time span in the geologic time scale?

  Eon
• Which geological period saw the rise of early primates, including early human ancestors?

  Late cretaceous period or paleogene period
• what are the 4 main geologic time scale? Eons, Eras, Period, Epoch