In Neoproterozoic rocks about 570 million years old, evidence of multicellular animal life called the Ediacara fauna consists of
A) imprints of soft-bodied organisms.
B) resting stages (or cysts) of dinoflagellates.
C) trace fossils, imprints of soft-bodied fossils, and skeletal fossils.
D) small skeletonized animals.
Correct Answer:
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Q1: Regional metamorphism affected Proterozoic cratons in a
Q2: Gowganda mudstones in Canada show evidence of
Q3: Thought to be the _ of dinoflagellates,
Q4: From rocks formed at the time of
Q6: What evidence below does NOT suggest that
Q7: The Ediacaran fossil Spriggina was likely an
Q8: The Ediacaran fossil with three-fold symmetry that
Q9: Cratons of modern proportions first began to
Q10: Animals probably originated during
A) Paleoproterozoic.
B) Mesoproterozoic.
C) Neoproterozoic.
D)
Q11: Until at least halfway through Paleoproterozoic (about
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