Chapter 25: Q 21. (page 668)
What seedless plant is a renewable source of energy?
a. club moss
b. horsetail
c. sphagnum moss
d. fern
Short Answer
Option (c). Sphagnum moss is a renewable source of energy.
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Chapter 25: Q 21. (page 668)
What seedless plant is a renewable source of energy?
a. club moss
b. horsetail
c. sphagnum moss
d. fern
Option (c). Sphagnum moss is a renewable source of energy.
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Which one of these characteristics is present in land plants and not in Charales?
a. alternation of generations
b. flagellated sperm
c. phragmoplasts
d. plasmodesmata
How do mosses contribute to returning nitrogen to the soil?
a. Mosses fix nitrogen from the air.
b. Mosses harbor cyanobacteria that fix nitrogen.
c. Mosses die and return nitrogen to the soil.
d. Mosses decompose rocks and release nitrogen.
Alternation of generations means that plants produce:
a. only haploid multicellular organisms
b. only diploid multicellular organisms
c. only diploid multicellular organisms with single celled haploid gametes
d. both haploid and diploid multicellular organisms
The land plants are probably descendants of which of these groups?
a. green algae
b. red algae
c. brown algae
d. angiosperms
In areas where it rains often, mosses grow on roofs. How do mosses survive on roofs without soil?
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