Multiple Choice
Which of the following is a characteristic of all angiosperms?
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28. Plants
Land Plants
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How is fertilization in flowering plants different from fertilization in other plant groups?
A
Flowering plants require water for fertilization, unlike other plant groups.
B
Flowering plants use wind as the primary method for fertilization.
C
Flowering plants undergo double fertilization, involving two sperm cells.
D
Flowering plants have a single fertilization event like gymnosperms.
Verified step by step guidance1
Understand the concept of fertilization in plants: Fertilization in plants involves the fusion of male and female gametes to form a zygote. In flowering plants, this process is unique compared to other plant groups.
Identify the key feature of fertilization in flowering plants: Flowering plants, or angiosperms, undergo a process called double fertilization. This involves two sperm cells from the pollen grain.
Explain double fertilization: In double fertilization, one sperm cell fuses with the egg cell to form a diploid zygote, while the other sperm cell fuses with two polar nuclei to form a triploid cell, which develops into the endosperm.
Compare with other plant groups: In non-flowering plants like gymnosperms, fertilization typically involves a single sperm cell fusing with an egg cell, resulting in a single fertilization event.
Clarify the misconception: Unlike some other plant groups, flowering plants do not require water for fertilization, nor do they primarily rely on wind. Instead, they often use animals or insects for pollination, leading to fertilization.
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