During Cretaceous, planktonic __________ diversified greatly for the first time.
A) coccolithophores
B) foraminifera
C) diatoms
D) dinoflagellates
Correct Answer:
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Q5: By Late Cretaceous, only _ and _,
Q6: The decline of brachiopods and stalked crinoids,
Q7: Stagnation of mid-Cretaceous oceans resulted in
A) the
Q8: Cretaceous angiosperms, such as _, tended to
Q9: Endothermy in mammals requires that they have
A)
Q11: The evolutionary step that allowed flowering plants
Q12: Adaptive radiations of these two groups altered
Q13: During Cretaceous, the primary change among phytoplankton
Q14: Hesperornis was a
A) marine lizard.
B) marine turtle.
C)
Q15: By Middle Cretaceous, _ became the primary
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