Multiple Choice
Which of the following traits are shared by land plants and their closest relatives among the algae?
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28. Plants
Land Plants
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Which of the following characteristics best describes mosses?
A
They produce seeds.
B
They have true roots.
C
They are non-vascular plants.
D
They have a dominant sporophyte generation.
Verified step by step guidance1
Begin by understanding the basic characteristics of mosses. Mosses are part of the Bryophyte group, which are non-vascular plants. This means they do not have specialized structures like xylem and phloem for transporting water and nutrients.
Next, consider the reproductive cycle of mosses. Mosses have a dominant gametophyte generation, which is the green, leafy part of the plant that you typically see. The sporophyte generation is dependent on the gametophyte and is not dominant.
Mosses do not produce seeds. Instead, they reproduce via spores, which are produced by the sporophyte generation. This is a key distinction from seed-producing plants like angiosperms and gymnosperms.
Mosses lack true roots. Instead, they have structures called rhizoids that anchor them to the substrate. Rhizoids are not true roots because they do not have vascular tissue and primarily serve to anchor the plant rather than absorb nutrients.
Summarize the characteristics: Mosses are non-vascular plants with a dominant gametophyte generation, reproduce via spores, and have rhizoids instead of true roots. These features distinguish them from other plant groups.
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