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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- Know 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_forwardKnow and Comprehend 10. These plants have vascularized stems but lack true roots and leaves. (a) mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornwortsarrow_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
- Discuss Concepts Compare the size, anatomical complexity, and degree of independence of a Douglas fir female gametophyte and a dogwood female gametophyte. Which one is the most protected from the external environment? Which trend(s) in plant evolution does your work on this question bring to mind?arrow_forwardTest Your Understanding Know and Comprehend 7. A simple pistil consists of a single (a) calyx (b) carpel (c) ovule (d) filament (e) petalarrow_forwardTest Your Understanding Know and Comprehend 2. Conifers, cycads. ginkgo, and gnetophytes are collectively called (a) club mosses (b) gymnosperms (c) angiosperms (d) eudicots (e) seedless vascular plantsarrow_forward
- Test Your Understanding Evaluate and Synthesize 17. EVOLUTION LINK Contrast the algae, mosses, ferns, gymnosperms, and angiosperms with respect to their dependence on water as a transport medium for reproductive cells. Suggest a hypothesis to explain how the differences might be adaptive to living on land.arrow_forwardTest Your Understanding Know and Comprehend 11. This flowering plant may be the nearest living relative to the ancestor of all flowering plants, (a) Amborella (b) Archaeopteris (c) Gnetum (d) water lily (e) magnoliaarrow_forwardTest Your Understanding Know and Comprehend 5. Motile sperm cells are found as vestiges in these two gymnosperm groups: (a) monocots, eudicots (b) gnetophytes, conifers (c) gnetophytes, flowering plants (d) cycads, conifers (e) cycads, ginkgoarrow_forward
- Test Your Understanding Evaluate and Synthesize 14. VISUALIZE construct a cladogram based on the following data. Mosses are plants with no vascular tissue. Horse-tails, ferns, gymnosperms (pines and other plants with naked seeds), and angiosperms (flowering plants) are all vascular plants. Seeds are absent in all but the gymnosperms and angiosperms. Angiosperms are the only seed plants with flowers. (Hint: To help you construct the cladogram, draw a simple table showing which characters are present in each group. See Fig. 23-9.) Figure 23-9 Constructing a cladogram using outgroup analysisarrow_forwardApply Evolutionary Thinking A variety of structural features of land plants reflect the conflicting demands for conserving water and taking in carbon dioxide for photosynthesis. Identify at least four fundamental structural adaptations that help resolve this dilemma and explain how each one contributes to a land plants survival.arrow_forwardTest Your Understanding Evaluate and Synthesize 18. EVOLUTION LINK Where would you place the progymnosperms on Figure 28-2? Explain your reasoning. Figure 28-2 Gymnosperm and angiosperm evolution This cladogram shows a current hypothesis of phylogenetic relationships among living seed plants, based on structural evidence, molecular comparisons, and fossils. Relationships among extant gymnosperm clades and angiosperms remain controversial. The arrangement of the phyla shown here may change as future analyses help clarify relationships.arrow_forward
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