Thought to be the __________ of dinoflagellates, the __________ are the most common fossil algal plankton of Proterozoic rocks younger than 2 billion years.
A) biomarkers; stromatolites
B) resting cysts; acritarchs
C) chloroplasts; eukaryotes
D) cytoskeletons; bacteria
Correct Answer:
Verified
Q1: Regional metamorphism affected Proterozoic cratons in a
Q2: Gowganda mudstones in Canada show evidence of
Q4: From rocks formed at the time of
Q5: In Neoproterozoic rocks about 570 million years
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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