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All 4 terms

TermDefinition
Precambrian4.6 by - 540 my
Palaeozoic540 my - 250 my (ages of fishes/amphibians)
Mesozoic250 my - 65 my (ages of reptiles)
Cenozoic65 my - present (ages of mammals)

Set Information

Terms 4
Creator just1ncase
Created February 13, 2008
Groups None
Subject geog303
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Most Missed Words

  1. Palaeozoic 540 my - 250 my (ages of fishes/amphibians) - 2 misses
  2. Mesozoic 250 my - 65 my (ages of reptiles) - 2 misses
  3. Cenozoic 65 my - present (ages of mammals) - 2 misses
  4. Precambrian 4.6 by - 540 my - 2 misses