About 200 mya, dinosaurs were Earth's dominant animals, and _______ were the dominant vegetation.
A) early whisk ferns
B) horsetails and tree ferns
C) some lycopods and ferns
D) gymnosperms
E) angiosperms
Correct Answer:
Verified
Q11: In the plant life cycle, pollen is
Q12: Which group has the greatest number of
Q13: Angiosperms and their animal pollinators have coevolved
Q14: In most terrestrial regions of Earth today,
Q15: The ovule consists of the
A) megasporangium and
Q17: A member of your research group isolates
Q18: You examine the reproductive structures of a
Q19: Which two features found in seed plants
Q20: There have been changes in the dominant
Q21: One reason for the enormous evolutionary success
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