A) gymnosperms.
B) ferns.
C) mosses.
D) charophytes stoneworts) .
E) flowering plants.
G) A) and C)
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A) ability to desiccate and rehydrate with no ill effects
B) low, sprawling growth habit
C) antheridia and archegonia for gamete production
D) swimming sperm for reproduction
E) All of these answers apply.
G) A) and B)
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A) had nonvascular green plants similar to liverworts forming green mats on rock.
B) been completely bare rock, with little pools that contained bacteria and cyanobacteria.
C) looked very similar to that of today, with flowers, grasses, shrubs, and trees.
D) been covered with tall forests in swamps that became today's coal.
F) B) and C)
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A) those that changed their colour to a lighter shade
B) those that stayed darker
C) They probably produced the same numbers of fruit.
E) All of the above
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A) gymnosperms
B) pines
C) ferns
D) angiosperms
F) All of the above
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A) Plants in both groups lack vascular tissue.
B) Plants in both groups produce seeds and pollen.
C) Plants in both groups have flowers and fruits.
D) Plants in both groups have cones that produce pollen and seeds.
F) None of the above
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A) examined similarities and differences in DNA sequences of homologous genes
B) compared morphological features
C) examined the fossil record
D) all of the above
F) A) and C)
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A) It is used by gardeners as a fertilizer.
B) It grows in extensive mats in grassland areas.
C) It is an important carbon sink, reducing atmospheric CO2.
D) It accumulates to form coal and is burned as a fuel.
E) It is an economically important liverwort.
G) B) and E)
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A) the trend toward larger gametophytes
B) the trend toward a sporophyte- dominated life cycle
C) the trend toward a gametophyte- dominated life cycle
D) the trend toward smaller size
F) B) and D)
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A) Charaphyaceae
B) Anthocerophyta
C) Hepaticophyta
D) Ulvophyceae
E) All of these answers apply.
G) None of the above
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A) wind- pollinated plants arose first.
B) there was a single transition from aquatic to terrestrial habitats.
C) land plants have undergone a diversification since they first colonized terrestrial habitats.
D) there were many different transitions from aquatic to terrestrial habitats.
F) B) and C)
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A) The cuticle would be thicker than in those species with pores.
B) The cuticle would be the same as in those species with pores.
C) The cuticle would be thinner than in those species with pores.
D) There is not enough information to make a prediction.
F) B) and D)
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A) extensive forests of seedless vascular plants were buried and compressed.
B) ancient angiosperms got buried under volcanic ash.
C) northern- latitude bogs accumulated peat.
D) huge gymnosperms were flooded by an inland sea.
E) All of these answers apply.
G) A) and D)
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A) They are derived from fossilized animals.
B) They are formed under pressure deep in the Earth.
C) They are formed from living or fossilized plants.
D) All of these answers apply.
F) C) and D)
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