Biology, 01.03.2021 18:10 kailinaguilar9455
The diagram below represents the last 570 million years of Earth's history. Three eras are represented the Cenozoic era, the
Mesozoic era, and the Paleozoic era. These three eras are further divided into geologic periods.
CENOZOIC
MESOZOIC
PALEOZOIC
CRETACEOUS
JURASSIC
TRIASSIC
PERMIAN
PENNSYLVANIAN
MISSISSIPPIAN
DEVONIAN
SILURIAN
ORDOVICIAN
CAMBRIAN
66.4 100
570
500
245
200
300
400
TIME IN MILLIONS OF YEARS
Image courtesy of USGS
Dr. Hayden finds a fossil that she dates back to the Triassic period. A fossil found in a rock layer from which of the following periods
would be at least 200 million years older than the fossil Dr. Hayden found?
OA. Ordovician
B. Jurassic
OC. Cretaceous
OD. Permian
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The diagram below represents the last 570 million years of Earth's history. Three eras are represent...
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