
Geologic Time Scale
Quiz by MacKenzie
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50 questions
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- Q1What is the record of the geologic events and life forms in Earth's history called?Geologic Time Scale30s
- Q2What is the age of rock compared to the ages of the rock layers called?relative age30s
- Q3What is the largest intervals of geologic time? These intervals can last for 2.5 billion-540 billion years?erasepochseonsperiods30s
- Q4What is a period of time that is associated with a particular quality, event, person, ect called? (They can last for 180-300 million years.)eonserasperiodsepochs30s
- Q5What is a subdivision of ears called? (They can last for tens of millions of years-2 million years?perioderaseonsepochs30s
- Q6What 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.)epochsperiodseraseons30s
- Q7What are animals that do not have a backbone?invertebrate30s
- Q8What are animals with a backbone called?vertebrates30s
- Q9What are animals that live part of its life on land and part of its life in water called?amphibians30s
- Q10How long ago was Earth formed?4.6 billion years ago3 billion years ago3.5 billion years4 billion years ago30s
- Q11What were the earliest forms of life?bacteriamulti-celled organismsingle-celled organismsfish30s
- Q12What event happened when many life forms appeared in a short amount of time?Paleozoic ExplosionCambrian ExplosionCambrian ExpulsionCambrian Combustion30s
- Q13What are small ocean animals with two shells called?Brachiopods30s
- Q14What are animals that do not have a backbone called?Invertebrate30s
- Q15During the Ordovician and Silurian periods ancestors of what modern day animals started to appear?Squid and fishOctopus and sharksOctopus and fishOctopus and squid30s