Where in an angiosperm would you find a megasporangium?
A)inside the tip of a pollen tube
B)packed into pollen sacs within the anthers found on a stamen
C)enclosed in the stigma of a flower
D)in the style of a flower
E)within an ovule contained within an ovary of a flower
E)within an ovule contained within an ovary of a flower
A fruit is most commonly
A)an enlarged ovule.
B)a thickened style.
C)a mature ovary.
D)a mature female gametophyte.
E)a modified root.
C)a mature ovary.
With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?
A)egg—n
B)zygote—2n
C)megaspore—2n
D)microspore—n
E)sperm—n
C)megaspore—2n
Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants?
A)pollen
B)integuments
C)dependent gametophytes
D)ovules
E)alternation of generations
E)alternation of generations
Gymnosperms and angiosperms have the following in common except
A)ovaries.
B)seeds.
C)pollen.
D)vascular tissue.
E)ovules.
A)ovaries.