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Geologic Time Scale

Quiz by MacKenzie

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50 questions
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  • Q1
    What is the record of the geologic events and life forms in Earth's history called?
    Geologic Time Scale
    30s
  • Q2
    What is the age of rock compared to the ages of the rock layers called?
    relative age
    30s
  • Q3
    What is the largest intervals of geologic time? These intervals can last for 2.5 billion-540 billion years?
    eras
    epochs
    eons
    periods
    30s
  • Q4
    What is a period of time that is associated with a particular quality, event, person, ect called? (They can last for 180-300 million years.)
    eons
    eras
    periods
    epochs
    30s
  • Q5
    What is a subdivision of ears called? (They can last for tens of millions of years-2 million years?
    period
    eras
    eons
    epochs
    30s
  • Q6
    What is a period of time in history or a person's life, typically one marked by notable events or particular characteristics? (They can last for several million years.)
    epochs
    periods
    eras
    eons
    30s
  • Q7
    What are animals that do not have a backbone?
    invertebrate
    30s
  • Q8
    What are animals with a backbone called?
    vertebrates
    30s
  • Q9
    What are animals that live part of its life on land and part of its life in water called?
    amphibians
    30s
  • Q10
    How long ago was Earth formed?
    4.6 billion years ago
    3 billion years ago
    3.5 billion years
    4 billion years ago
    30s
  • Q11
    What were the earliest forms of life?
    bacteria
    multi-celled organism
    single-celled organisms
    fish
    30s
  • Q12
    What event happened when many life forms appeared in a short amount of time?
    Paleozoic Explosion
    Cambrian Explosion
    Cambrian Expulsion
    Cambrian Combustion
    30s
  • Q13
    What are small ocean animals with two shells called?
    Brachiopods
    30s
  • Q14
    What are animals that do not have a backbone called?
    Invertebrate
    30s
  • Q15
    During the Ordovician and Silurian periods ancestors of what modern day animals started to appear?
    Squid and fish
    Octopus and sharks
    Octopus and fish
    Octopus and squid
    30s

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