Chapter 29 – Study Module – Flashcards
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What structures allow plants to readily take up carbon dioxide from the atmosphere?
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Stomata.
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Which of the following is a genus in the phylum Monilophyta?
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Equisetum.
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Fern gametophytes are __________.
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free-living, multicellular organisms.
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To examine meiosis in ferns, you would study __________.
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the sporangia.
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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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In plants, the haploid and diploid stages are both multicellular.
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Typically, the upper part of a bryophyte capsule that contains the spores features a ring of interlocking, tooth-like structures known as the __________.
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peristome.
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Sori can be found in which of the following?
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Pterophytes.
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Which of the following are traits shared by land plants and their closest relatives among the algae?
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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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What characteristic of Sphagnum peatlands is responsible for their ability to inhibit decomposition?
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All of the listed characteristics inhibit decomposition.
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During what period did seedless vascular plants form extensive forests of tall trees?
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Carboniferous.
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A major division in plant systematics is based on whether a particular species has __________.
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vascular tissue.
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The gametophyte stage of the plant life cycle is most conspicuous in __________.
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mosses.
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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 belongs?
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It is a sporophyte.
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The tissue called phloem has what function in vascular plants?
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Distribution of sugars, amino acids, and other organic products
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Alternation of generations in all land plants is between __________.
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a multicellular haploid organism and a multicellular diploid organism
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In sporophyte ferns, the leaves are __________.
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megaphylls.
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The antheridia of mosses produce __________.
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sperm.
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Water is brought into mosses primarily by __________.
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diffusion through all cells
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Which of the following is true of the life cycle of bryophytes?
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A moist environment is required for sexual reproduction.
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Which of the following is a trait unique to land plants?
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Walled spores produced in sporangia.
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The embryophytes are __________.
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the land plants.
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In what way do megasporangia differ from microsporangia?
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Megasporangia produce spores that develop into female gametophytes, whereas microsporangia produce spores that develop into male gametophytes.
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In moving to land, plants had to overcome which of the following challenges?
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Desiccation
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Which of the following statements about algae and plants is true?
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Plants have a waxy, waterproof cuticle, and algae do not.
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The development of the __________ prevents plants from drying out and protects them from microbes.
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cuticle.
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How are gametes produced by bryophytes?
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By mitosis of gametophyte cells.
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What is advantage is conferred to algae and plants that possess sporopollenin?
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Reproductive cells are more resistant to desiccation.
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Where would you find a fern gametophyte?
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On moist soil.
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Evidence suggests that land plants arose from within which protist lineage?
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Charophytes.
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What is the evolutionary significance of megaphylls?
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They increase the surface area for photosynthesis.
