ch. 29 ( Plant Diversity I: How Plants Colonized Land)
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Biology questions and answers
The development of the __________ prevents plants from drying out and protects them from microbes. - answer-cutic
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The "dots" on the underside of a fern frond are spore cases; therefore, what is true of the plant to which the frond belong
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- answer-It is a sporophyte.
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In what way do megasporangia differ from microsporangia? - answer-Megasporangia produce spores that develop in
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female gametophytes, whereas microsporangia produce spores that develop into male gametophytes.
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Evidence suggests that land plants arose from within which protist lineage? - answer-Charophytes
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To examine meiosis in ferns, you would study __________. - answer-the sporangia
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A major division in plant systematics is based on whether a particular species has __________. - answer-vascular tiss
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Sori can be found in which of the following? - answer-Pterophytes
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Typically, the upper part of a bryophyte capsule that contains the spores features a ring of interlocking, tooth-like
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structures known as the __________. - answer-peristome
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Which of the following are traits shared by land plants and their closest relatives among the algae? - answer-1). Rings o
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cellulose-synthesizing proteins in the plasma membrane
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2). Structure of flagellated sperm
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3). Formation of a phragmoplast
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All of the listed traits of land plants are present in their closest relatives among the algae.
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The embryophytes are __________. - answer-the land plants
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Where would you find a fern gametophyte? - answer-On moist soil
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What structures allow plants to readily take up carbon dioxide from the atmosphere? - answer-Stomata
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Alternation of generations in all land plants is between __________. - answer-a multicellular haploid organism and a
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Which of the following is a genus in the phylum Monilophyta? - answer-Equisetum
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Which is a key difference between alternation of generations in plants and sexual reproduction in nonplant organisms?
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answer-In plants, the haploid and diploid stages are both multicellular.
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In moving to land, plants had to overcome which of the following challenges? - answer-Desiccation
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