Multiple Choice
Vascular plants appeared about 450 million year ago.Vascular plants have existed on earth for ________.
A) 10% of its history
B) 20% of its history
C) 50% of its history
D) 75% of its history
E) 90% of its history
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q10: Imagine that NASA discovered a new planet
Q11: The apparatus in the figure was used
Q12: The group that probably gave rise to
Q13: Which one of the following statements about
Q14: An experimental test of the hypothesis to
Q16: Why have plants been implicated in the
Q17: All of the following were produced in
Q18: Which eon would contain rocks with no
Q19: Prokaryotic organisms were the only life-forms present
Q20: How did humans colonize the New World?<br>A)Early