Which of the following is NOT a unique characteristic of the angiosperms?
A) Double fertilization producing endosperm
B) Stamens with four pairs of pollen sacs
C) A three-nucleate microgametophyte
D) A reduced (e.g., seven-celled, eight-nucleate) megagametophyte
E) Phloem having sieve tube elements and companion cells
Correct Answer:
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Q7: Angiosperms first appear in the fossil record
Q8: Flowers with a long corolla tube are
Q9: Which of the following statements concerning pollination
Q10: The most important flower-visiting animals in angiosperm
Q11: In most angiosperms, petals are probably evolutionary
Q13: Which of the following is NOT an
Q14: Which of the following was NOT an
Q15: The largest angiosperm family is the:
A)Magnoliaceae.
B)Asteraceae.
C)Piperaceae.
D)Orchidaceae.
E)Aristolochiaceae.
Q16: The most recent evidence indicates that:
A)Wielandiella lacks
Q17: Which of the following do NOT have
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