Multiple Choice
The development of the __________ prevents plants from drying out and protects them from microbes.
28. Plants
Land Plants
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Plants undergo alternation of generations in which __________.
A
the vascular generation alternates with the nonvascular generation
B
male plants alternate with female plants
C
antheridia alternate with archegonia
D
All of the listed responses are correct.
E
the sporophyte generation alternates with the gametophyte generation
Verified step by step guidance1
Understand the concept of alternation of generations: This is a life cycle found in plants and some algae, where there is a regular alternation between two distinct forms. These forms are the sporophyte and gametophyte generations.
Define the sporophyte generation: The sporophyte is the diploid generation that arises from the fusion of gametes. It produces spores through meiosis, which are haploid and can develop into the gametophyte generation.
Define the gametophyte generation: The gametophyte is the haploid generation that arises from spores. It produces gametes through mitosis, which can fuse to form a new sporophyte.
Recognize the alternation: In the alternation of generations, the sporophyte generation alternates with the gametophyte generation. This means that the life cycle switches between these two forms, each giving rise to the other.
Clarify the incorrect options: The incorrect options include alternation between vascular and nonvascular generations, male and female plants, and antheridia and archegonia. These do not accurately describe the alternation of generations in plants.
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