67. Most conifers are ____________________, having separate male and female reproductive parts in different
locations on the same plant.
68. In pines, sperm are produced when the ____________________ cell divides.
69. Strobili of conifers are commonly called ____________________.
70. ____________________ are leaf-like structures that bear micro- or megasporangia at their bases.
71. Immature male gametophytes in pines are released from the cones as ____________________.
72. Pollen is carried to the female cone by ____________________.
73. Conifers which shed their needles at the end of the growing season are said to be ____________________.
74. Gymnosperms that produce fan-shaped deciduous leaves belong to the phylum ____________________.
75. Gymnosperms that have vessel elements belong to the phylum ____________________.
76. Extinct seed-bearing plants with fern-like leaves are known as ____________________.
77. Figure 24-1
Refer to Figure 24-1. Which letter best indicates an embryo?
a.
E
b.
G
c.
H
d.
J
e.
K
78. Figure 24-1
Refer to Figure 24-1. Which letter best indicates an ovule?
a.
A
b.
B
c.
E
d.
F
e.
G
79. Figure 24-1
Refer to Figure 24-1. Which letter best indicates the seed coat?
a.
E
b.
H
c.
I
d.
J
e.
L
80. Figure 24-1
Refer to Figure 24-1. Which letter best indicates a structure through which sperm move to reach the egg?
a.
D
b.
E
c.
F
d.
G
e.
H
81. Figure 24-1
Refer to Figure 24-1. Which letter best indicates the nutritive tissue in a seed?
a.
F
b.
G
c.
I
d.
J
e.
K
82. Figure 24-1
Refer to Figure 24-1. Which letter best indicates an integument?
a.
B
b.
E
c.
I
d.
J
e.
K
83. Figure 24-1
Refer to Figure 24-1. Which of the following best indicates the immature male gametophyte?
a.
A
b.
B
c.
C
d.
D
e.
E
84. Figure 24-1
Refer to Figure 24-1. Which letter best indicates a megasporangium?
a.
B
b.
C
c.
D
d.
E
e.
F
85. What features separate gymnosperms from seedless vascular plants?
86. What fossil plant groups appear to be ancestral to gymnosperms?