Biology, 22.10.2020 16:01 kiaramccurty
Use the data you've recorded from the previous activity to arrange the rock layers from oldest to youngest on the
geologic time scale. Determine the identity of the unknown fossil by using the Fossils chart.
TOOLS
Paleozoic Era
433 417
359
542
490
299
250
+
+
million
years ago
Basalt
Limestone with
unknown fossil
Cambrian
Ordovician
Silurian
Devonian
Carboniferous
Permian
Sandstone with
trilobite
Shale with
ammonite
Che
Answers: 3
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