Paleozoic and Mesozoic Seas

Paleozoic and Mesozoic Seas

During the Paleozoic and Mesozoic, six marine transgressions and regressions caused sea level to rise over the continents, leaving evidence in rocks in the Grand Canyon and elsewhere.

CK-12 (High School)

ESSENTIAL QUESTION:

How do scientists know the history of sea levels rising and falling?
STANDARDS:
RST.2 - Main Ideas, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2
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