geologic timeline

• term refers to Earth's history based on geological events and life forms? Geological time scale
• what are the three major division of the geologic time scale?

  1. Eon
  2. Era
  3. Period
• The earliest eon in Earth's history, characterized by extreme heat and bombardment by meteorites.

  Hadeon eon
• Who is considered the father of Italian geology and established the basis for stratigraphic chronology by classifying the four main layers of the Earth's crust as Primary, Secondary, Tertiary, and Quaternary?

  Giovanni Arduino
•  What geological term meaning "earlier life"?

  Proterozoic Eon
• Which geological term signifies "visible life"?

  Phanerozoic Eon
• When did the Mesozoic Era come to an end?

  65 million years ago
• Which of the following is NOT included in the Precambrian Eon?

  • Formation of Earth
  • Evolution of single-celled organisms
  • Development of multicellular life forms
  • Rise of dinosaurs

  Rise of dinosaurs
• What is the largest time span in the geologic time scale?

  • Eon
  • Era
  • Period
  • Epoch

  eon
• What term refers to the supercontinent that existed during the late Paleozoic and early Mesozoic eras, approximately 335 to 175 million years ago? Pangaea
• Which geological feature represents layered structures formed by the trapping, binding, and cementation of sediment by microbial communities over billions of years?

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

  Sahelanthropus
• During which geological era did mammals experience a significant diversification and expansion in their diversity and ecological roles?

  Cenozoic Era
• Which of the following is NOT included in the Cenozoic Era? 

  • Biternary
  • Quaternary
  • Neogene
  • Pleogene

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

  Paleogene Period