New members of the Cretaceous pelagic food web that featured symmetrical tails, overlapping scales, specialized fins, and short jaws were called
A) ammonoids.
B) teleosts.
C) plesiosaurs.
D) mosasaurs.
Correct Answer:
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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
Q17: During Cretaceous, the birds were more like
Q18: Late Cretaceous was a time of _
Q19: Sea level stood perhaps as high throughout
Q20: The greatest change in terrestrial ecosystems during
Q21: During Late Cretaceous, the Interior Seaway connected
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