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 14TYU
Evaluate and Synthesize
14. EVOLUTION LINK How may the following trends in plant evolution be adaptive to living on land?
- (a) dependence on water for fertilization ➝ no need for water as a transport medium
- (b) homospory ➝ heterospory
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How may the following trends in plant evolution be adaptive to living on land? (a) dependence on water for fertilization ➝ no need for water as a transport medium (b) homospory ➝ heterospory
Postlab: Bryophytes, Seedless Vascular Plants &
Gymnosperms
1. What is the conspicuous form of the bryophytes? Is this form haploid or diploid?
2. The part that produces the male gametes is called the....?
3. The part that produces the female gametes is called the...
4. Spores are produced by which cell division process?
5. What is the conspicuous form of the seedless vascular plants? Is it haploid or diploid?
6. What are microspores? Where are they produced in gymnosperms?
7. Megaspores give rise to which structure in gymnosperms?
8. How are most gymnosperms pollinate
d?
9.
In gymnosperms, the material that nourishes the embryo derives from what tissue?
10. How can you visually differentiate a male from a female cone in pines?
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.…
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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- 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_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 Know and Comprehend 1. Seed 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 independent gametophytearrow_forward
- Lab 13 (a)- Vascular Plant Reproduction Can you recognize if a cone is male or female? If provided actual flowers or images of flowers, can you determine if they are from a monocot or dicot plant (based on the expected patterns of petals) Can you identify key parts of a flower (sepals, petals, stamen, pistil, anther, filament, stigma, style, ovary, ovules) Difference between perfect & imperfect flowers? If a plant produces flowers, is it a gymnosperm or angiosperm? What are the names and functions of the 2 cells within a pollen grain? During double fertilization, what 2 structures are fertilized? What does each fertilized structure become?arrow_forwardName 4 different evolutionary adaptations that allowed plants to survive on land instead of in water. Explain the significance of each adaptation-how does it help terrestrial plants?arrow_forwardEvaluate and Synthesize 15. INTERPRET DATA According to the cladogram in Figure 27-5, which plants evolved first: nonvascular bryophytes, seedless vascular plants, or seed plants?arrow_forward
- Seed 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_forwardPlant Physiology In the amazon rainforest, what is needed (1 only) to induce germination faster? Why?arrow_forwardMAKE CONNECTIONS In addition to cotyledon number, how do thestructures of monocots and eudicots differ? (See Figure 30.16.)arrow_forward
- PLEASE ANSWER NUMBER 1,2,3, and 4 QUESTIONS: (with brief explanation only) 1. A difference between seedless vascular plants and plants with seeds is that? A. the gametophyte generation is conspicuous in the seedless plants, whereas the sporophyte is dominant in the seeded plants. B. the spore is the agent of dispersal in the first, whereas the seed functions in dispersal in the second. C. the gametophyte is photoautotrophic in seedless plants but dependent on the sporophyte generation in the other group. D. the embryo is unprotected in the seedless plants but retained within the female reproductive structure in the other group. 2. Biologist hypothesize that the first land plants had a low, sprawling growth habitat. Which of the following is part of the logic behind that theory? A. The low sprawling growth gave them greater surface area exposed to light for photosynthesis. B. This was prior to plants’ development of adaptations to defend themselves from predators, so by growing…arrow_forwardEXPERIMENT 4: INDUCTION OF CALLUS SOMATIC EMBRYOGENESIS OF HAPLOID PLANTS Objective: To prepare anther as a source of explant To induce callus somatic embryogenesis of haploid plants Procedure: Cut off the buds and sort them into 3 developmental stages based on length of buds Surface sterilize the buds in 70% ethanol for 2-3 minutes, making sure the entire bud is immersed in the alcohol. Drain off excess alcohol from the buds and aseptically excise the anthers from each bud. Remove the filaments and culture the anther on one of the agar media provided. Label the stage of development of the bud on each petri dish as the anthers are cultured. Seal the Petri dishes with parafilm. Incubate in the dark at 26 to 28ºC for 4 to 8 weeks or until small plants can be seen growing out of the anthers. Then transfer to diffuse light. Record the results of the experiment in table form and submit the report. Observation: The culture was contaminated after 8 weeks of incubation…arrow_forwardIn angiospermic plant before formation of microspore sporogenous tissue undergo cell division (a) Name the type of cell division. (b) What would be the ploidy of the cells of tetrad?arrow_forward
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