1
Q
the standard method used to divide the Earths long natural history into manageable parts
A
geologic time scale
2
Q
the largest division of geologic time
A
eon
3
Q
a unit of geologic time that includes two or more periods
A
era
4
Q
a unit of geologic time into which eras are divided
A
period
5
Q
a subdivision of a geologic period
A
epoch
6
Q
the death of every member of a species
A
extinction
7
Q
Paleozoic
A
Marine Life
8
Q
Mesozoic
A
Reptile
9
Q
Cenozoic
A
mammals
science6thgrade
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