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Campbell Biology in Focus

Biology

Quiz 26 :

The Colonization of Land by Plants and Fungi

Quiz 26 :

The Colonization of Land by Plants and Fungi

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According to our current knowledge of plant evolution,which group of organisms should feature mitosis most similar to that of land plants?
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Answer:

C

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Mitotic activity by the apical meristem of a root makes which of the following more possible?
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Answer:

B

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If the kingdom Plantae is someday expanded to include the charophytes,then the shared derived characteristics of the kingdom will include 1)rings of cellulose-synthesizing complexes. 2)chlorophylls a and b. 3)alternation of generations. 4)cell walls of cellulose. 5)ability to synthesize sporopollenin.
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Answer:

A

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Which of the following were benefits to algae in the early oceans of Earth,compared to the first plants that colonized land? 1)no scarcity of water 2)less solar damage to tissues 3)the need for structural support 4)more plentiful dissolved carbon dioxide
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Which taxon is essentially equivalent to the "embryophytes"?
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The functional role of sporopollenin is primarily to
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Challenges for survival of the first land plants include I.sources of water. II.sperm transfer. III.desiccation. IV.animal predation. V.lack of structural support.
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Commonalities to both charophytes and vascular land plants include I.sporopollenin. II.lignin. III.chlorophyll a. IV.cellulose. V.chlorophyll b.
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If all fungi in an environment that perform decomposition were to suddenly die,then which group of organisms should benefit most,after their fungal competitors have been removed?
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Fossil fungi date back to the origin and early evolution of plants.What combination of environmental and morphological change is similar in the evolution of both fungi and plants?
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The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to
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On a field trip,a student in a marine biology class collects an organism that has differentiated organs,cell walls of cellulose,and chloroplasts with chlorophyll a.Based on this description,the organism could be a brown alga,a red alga,a green alga,a charophyte recently washed into the ocean from a freshwater or brackish water source,or a land plant washed into the ocean.The presence of which of the following features would definitively identify this organism as a land plant?
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A botanist discovers a new species of land plant with a dominant sporophyte,chlorophylls a and b,and cell walls made of cellulose.In assigning this plant to a phylum,which of the following,if present,would be least useful?
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Some green algae exhibit alternation of generations.All land plants exhibit alternation of generations.No charophytes exhibit alternation of generations.Keeping in mind the recent evidence from molecular systematics,the correct interpretation of these observations is that
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In seed plants,which of the following is part of a pollen grain and has a function most like that of the seed coat?
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img Figure 26.5 -Using Figure 26.5,which of the following taxonomic groups from the list below would you expect to have a genome with DNA sequences most similar to the Plantae?
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Arrange the following terms from most inclusive to least inclusive. 1)embryophytes 2)green plants 3)seedless vascular plants 4)ferns
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Adaptations in plants to life on land include I.rings of cellulose-synthesizing complexes. II.cuticles. III.tracheids. IV.reduced gametophyte generation. V.multicellular,dependent embryos.
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Assuming that they all belong to the same plant,arrange the following structures from largest to smallest (or from most inclusive to least inclusive). 1)spores 2)sporophytes 3)sporangia
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Evidence indicates that plants increase the number of stomata in their leaves as atmospheric CO2 levels decline.Increasing the number of stomata per unit surface area should have the effect of doing which of the following? 1)increasing dehydration of leaf tissues 2)decreasing dehydration of leaf tissues 3)countering the effect of declining CO2 on photosynthesis 4)reinforcing the effect of declining CO2 on photosynthesis 5)decreasing the O2 content of air next to the leaves lower than it would otherwise be 6)increasing the O2 content of air next to the leaves higher than it would otherwise be
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