The origin of seeds occurred approximately ________ years ago.
A) 65 million
B) 360 million
C) 140 billion
D) 3.5 billion
Correct Answer:
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Q15: Much of the coal we use today
Q16: In _ the gametophyte is more obvious
Q17: Which series of terms correctly illustrates the
Q18: _ are seedless vascular plants.
A)Ferns
B)Angiosperms
C)Bryophytes
D)Gymnosperms
Q19: Which lineage of green algae is believed
Q21: Nutritionally, all fungi are _.
A)heterotrophs that acquire
Q22: Seeds develop from _.
A)carpels
B)anthers
C)ovules
D)ovaries
Q23: In angiosperms, what is the function of
Q24: Why are gymnosperms considered to be "naked
Q25: What global climatic change gave gymnosperms an
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