How mass extinctions drove the evolution of dinosaurs

How mass extinctions drove the evolution of dinosaurs

Richard Butler
The Conversation

ESSENTIAL QUESTION:

What caused Earth's tectonic plates to move in the first place?
STANDARDS:
RST.2 - Main Ideas, RST.1 - Analysis & Evidence, RST.8 - Evaluate Claim/Hypothesis

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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