Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 27, Problem 11TYU
Know and Comprehend
11. These plants have hollow, jointed stems that are impregnated with silica. (a) mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornworts
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Chapter 27 Solutions
Biology (MindTap Course List)
Ch. 27.1 - Discuss some environmental challenges of living on...Ch. 27.1 - Name the green algal group from which plants are...Ch. 27.1 - Prob. 1CCh. 27.1 - Prob. 2CCh. 27.1 - Prob. 3CCh. 27.1 - Prob. 4CCh. 27.2 - Summarize the features that distinguish bryophytes...Ch. 27.2 - Name and briefly describe the three phyla of...Ch. 27.2 - Describe the life cycle of mosses and compare...Ch. 27.2 - Prob. 1C
Ch. 27.2 - How are mosses, liverworts, and hornworts similar?...Ch. 27.3 - Discuss the features that distinguish seedless...Ch. 27.3 - Name and briefly describe the two phyla of...Ch. 27.3 - Describe the life cycle of ferns and compare their...Ch. 27.3 - Compare the generalized life cycles of homosporous...Ch. 27.3 - Prob. 1CCh. 27.3 - Prob. 2CCh. 27.3 - Which of the following are parts of the sporophyte...Ch. 27.3 - Why are whisk ferns and horsetails now classified...Ch. 27.3 - How does heterospory modify the plant life cycle?Ch. 27 - Plants probably descended from a group of green...Ch. 27 - Which of the following is not a characteristic of...Ch. 27 - In plant life cycles, (a) the first products of...Ch. 27 - The bryophytes (a) include mosses, liverworts, and...Ch. 27 - The waxy layer that covers aerial parts of plants...Ch. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - Know and Comprehend 8. The green,...Ch. 27 - Prob. 9TYUCh. 27 - Know and Comprehend 10. These plants have...Ch. 27 - Know and Comprehend 11. These plants have hollow,...Ch. 27 - Know and Comprehend 12. Which of the following...Ch. 27 - Apply and Analyze 13. VISUALIZE Draw a simple...Ch. 27 - Evaluate and Synthesize 14. EVOLUTION LINK How may...Ch. 27 - Evaluate and Synthesize 15. INTERPRET DATA...Ch. 27 - Evaluate and Synthesize 16. EVOLUTION LINK Where...
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- Which of the following characteristics of plants is absent intheir closest relatives, the charophyte algae?(A) chlorophyll b(B) cellulose in cell walls(C) sexual reproduction(D) alternation of multicellular generationsarrow_forwardSeed plants lack which of the following structure(s)? (a) ovules surrounded by integuments (b) microspores and megaspores (c) vascular tissues (d) a large, nutritionally independent sporophyte (e) a large, nutritionally independentgametophytearrow_forwardThese plants have hollow, jointed stems that are impregnated with silica. (a)mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornwortsarrow_forward
- Exercise II: Monilophyta Part A: Ferns The ferns differ from other seedless vascular plants in their possession of megaphylls, larger leaves with multiple veins. Examine the many living fern sporophytes. There is much diversity in megaphyll morphology. (See also text Figures 17-23, 24, 26, and 36, pages 413, 414, 416, and 424). Identify the frond, the rhizome, and the roots. Most fern fronds are compound, with the blade divided into separate leaflets. If young leaves are present, notice how they unfold. These young leaves are often called fiddleheads. Examine the leaves for the presence of sporangia. Notice if they are grouped together in sori (singular: sorus), distributed evenly over the lower surface of the leaf, or in other patterns. The sporangia of some species may be protected by specialized outgrowths of the leaf called indusia (singular: indusium) (See text Figure 17-32, page 420). 6. Is the indusium diploid or haploid?. Obtain a small square of a fern leaf with one associated…arrow_forwardKnow and Comprehend 12. Which of the following statements about ferns is not true? (a) ferns have motile sperm cells that swim through water to the egg-containing archegonium (b) ferns are vascular plants (c) ferns are the most economically important group of bryophytes (d) the fern sporophyte consists of a rhizome, roots, and fronds (e) the diversity of ferns is greatest in the tropicsarrow_forwardTest Your Understanding Apply and Analyze 13. You are given a plant that you have never seen before (see figure). Is it a gymnosperm or angiosperm? A monocot or eudicot? What are the features that helped you make these determinations?arrow_forward
- The apoplast is (a) a layer of cells that surround the vascular region in roots (b) the layer of cells just inside the endodermis (c) a system of interconnected plant cell walls through which water moves (d) the central cylinder of the root that comprises the vascular tissues (e) a continuum of cytoplasm of many cells, all connected by plasmodesmataarrow_forwardExercise II Bryophyta: The Mosses Examine with the dissecting microscope the mosses that are available. The "leafy" plants are the gametophytes and any elongated structures growing above them are the sporophytes. (See text Figure 16-27, page 385.) 15. Label the following in Figure 5 below: spores, zygote, protonema, gametophyte, meiosis, female, male, sporophyte, archegonia, sperm, sporangium. Capsule (n) 9 "Bud" Mature (2n) Female (n) 1n 2n Young sporophyte (2n) gametophyte (n) 82 Antheridia gametophyte (n) Embryo (2n) water E88 Female -gametophyte (n) sperm Fertilization (2n) Figure 5. Moss Life Cycle (drawn by Stephanie Preising, SCSU '20) Obtain a gametophyte and observe its symmetry, its leaf like structures, its axis (pseudo- stem), and is rhizoids. Some species of mosses are unisexual; others are bisexual. The moss gametophyte originates as budlike structures that develop from a protonema (plural: protonemata), a system of branching filaments derived from a germinating spore.arrow_forward11. The scales of pine cones are (a) always green. (b) modified roots. (c) modified leaves. (d) modified stems. 12. Plants that make flowers are called (a) gymnosperms. (b) byrophytes. (c) gametophytes. (d) angiosperms. 13. The class of plants that has vascular tissue and reproduces with spores is the (a) clubmosses. (b) liverworts. (c) flowering plants. (d) conifers. 14. The embryonic stem in a seed is called the (a) radicle. (b) hypocotyl. (c) seed cont. (d) endosperm. 15. Pollen contains (a) male gametes. (b) female gametes. (c) fruits. (d) a stigma.arrow_forward
- 1. Skunk cabbage has evolved stinky flowers because (a) the smell prevents other plants from growing nearby all year long. (b) all yellow flowers smell bad. (c) the odor attracts pollinators. (d) the odor repels pollinators. 2. Which of the following is not a characteristic of most plants? (a) carries out photosynthesis (b) has cell walls made of cellulose (c) has yellow flowers (d) has specialized reproductive organs 3. Much of the oxygen in the earth's atmosphere (a) is produced as a waste product of cellular respiration in plants. (b) is released as a byproduct of photosynthesis. (c) is produced as a waste product of cellular respiration in animals. (d) is produced by tree frogs. 4. The mature sporophyte of a fern (a) produces haploid spores by meiosis. (b) produces diploid spores by meiosis. (c) produces diploid spores by mitosis. (d) produces haploid spores by mitosis. 5. Fusion of male and female gametes in plants produces (a) a eudicot stamen. (b) a style. (c) a haploid spore.…arrow_forwardExercise II Bryophyta: The Mosses de Examine with the dissecting microscope the mosses that are available. The "leafy" plants are the gametophytes and any elongated structures growing above them are the sporophytes. (See text Figure 16-27, page 385.) 15. Label the following in Figure 5 below: spores, zygote, protonema, gametophyte, meiosis, female, male, sporophyte, archegonia, sperm, sporangium. € Capsule (n) Mature (2n) Female (n) 1n 2n Young sporophyte (2n) gametophyte (n) Antheridia gametophyte (n) 82 Embryo (2n) water Egg Female, gametophyte (n) sperm Fertilization (2n) Figure 5. Moss Life Cycle (drawn by Stephanie Preising, SCSU '20) Obtain a gametophyte and observe its symmetry, its leaf like structures, its axis (pseudo- stem), and is rhizoids. Some species of mosses are unisexual; others are bisexual. The moss gametophyte originates as budlike structures that develop from a protonema (plural: protonemata), a system of branching filaments derived from a germinating spore.arrow_forwardWhich of the following is not an adaptation of pine needles to conserve water? (a) less surface area exposed to the air than thin-bladed leaves (b) a relatively thick cuticle (c) sunken stomata (d) netted veins instead of parallel veins (e) both c and d are not adaptations of pine needlesarrow_forward
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