1
Q
macroevolution
A
the broad pattern of evolution above the species level
2
Q
Geologic record
A
A standard time scale that divides earths history into four eons: Hadean, Archaean, Proterozoic and Phanerozoic
macroevolution
the broad pattern of evolution above the species level
Geologic record
A standard time scale that divides earths history into four eons: Hadean, Archaean, Proterozoic and Phanerozoic
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