Multiple Choice
How did Ordovician reefs differ from those of the Cambrian?
A) Cambrian reefs were generally small.
B) Cambrian reefs were built primarily of Archeocyathids.
C) Ordovician reefs represent a diverse community of organisms.
D) Ordovician reefs were dominated by suspension feeders.
E) all of these
Correct Answer:
Verified
Correct Answer:
Verified
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