Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 22, Problem 11SQ
Summary Introduction
Introduction: Ferns are the diverse seedless vascular plants with well defined internal vein structures. Unlike flowering plants, they do not produce seeds or flowers. They reproduce through spores and pollinate through wind. They have alternation of generations with sporophyte generation being dominant.
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The sporophyte of nonvascular plants
A. possesses anthers and archegonia
O B. produces spores
C. is the dominant stage of their alternation of generations
D. produces non-motile sperm cells
E. is dependent on wind pollination
The gametophytes of ferns_____ . a. are photosynthetic c. are diploid b. produce spores d. are dependent on the in sori sporophyte for nutrition
No need to explain why
1. Which of the following is not true of the gymnosperms? *
A. Less dependent on water for fertilization
B. Heterosporous
C. Seed is not enclosed within an ovary
D. Nonvascular plant
2. Which of the following phyla of the gymnosperm is the most advanced? *
A. Ginkgophyta
B. Gnetophyta
C. Coniferophyta
D. Cycadophyta
3. In which of the following features does angiosperm resemble a gymnosperm? *
A. Mode of fertilization
B. Presence of ovules
C. Nature of endosperm
D. Presence of vessel
4. How would you differentiate the phloem of a gymnosperm from an angiosperm? *
A. having a no companion cells
B. having no sieve tubes
C. having no schlerenchyma
D. having parenchyma
5. Which of the following does not function as support of angiosperms? *
A. tracheids
B. fiber
C. lignin
Chapter 22 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - Prob. 2DAACh. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - The first land plants were ___ . a. gnetophytes b....Ch. 22 - Lignin supports. the stems of ___ . a. mosses b....Ch. 22 - A waxy cuticle helps land plants ___ . a. oonserve...Ch. 22 - True or false? Ferns produce seeds inside sori.Ch. 22 - ___ attach mosses to soil. a. Rhizoids b. Rhizomes...Ch. 22 - Bryophytes alone have a relatively large ___ and...Ch. 22 - Club mosses, horsetails, and ferns are ___ plants....
Ch. 22 - Coal consists primarily of compressed remains of...Ch. 22 - Prob. 9SQCh. 22 - A seed is a(n) ___ . a. female gametophyte b....Ch. 22 - Prob. 11SQCh. 22 - Which angiosperm lineage includes the most...Ch. 22 - Match the terms appropriately. ____ bryophyte a....Ch. 22 - Match the terms appropriately. ____ ovule a....Ch. 22 - Place these groups. in order of their appearance...Ch. 22 - Early botanists admired ferns but found their life...Ch. 22 - In animals, meiosis of germ cells produces...Ch. 22 - Consider a cherry pit, which is a seed with a...Ch. 22 - Suppose you wanted to make a science fiction film...Ch. 22 - Lignin and vascular tissue first evolved in...
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- 67. whisk ferns do not have leaves, instead they have ___a. microphyllsb. ground pinesc. rhizoidsd. enations68. what plants are often called ground pines?a. lycopodiumb. spike mossesc. quilwotsd. horsetails69. these leaves are associated with the leaf gaps and having branching veins.a. megaphyllsb. fiddleheadsc. microphyllsd. pinnae70. horsetails and scouring rushes belong to phyluma. equisetiphytab. psilophytac. polypodiophytad. lycophytaarrow_forwardбуmnosperms Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores B. Mergasporngiav C. Homospores D. Megasporesarrow_forward9. Label the sporangia, indusium, leaf, and spores in Figure 4 below. Figure 4. Cyrtomium leaf c.s., sorus l.s. 10. Explain the mechanism of spore dispersal in ferns with sori 11. In what way is this mechanical method of spore dispersal similar to that in the bryophytes?. Photo by Carolyn Alling Most ferns produce only one kind of spore and are therefore homosporous. Upon germination, the spore, the first cell of the gametophytic generation, gives rise to a heart shaped, bisexual gametophyte, called a prothallus. 12. What type of nuclear division produces the many celled gametophyte from a spore? Examine the fern gametophytes under the dissecting scope. Note the many rhizoids emerging from the lower, or ventral, surface. Among the rhizoids you will find antheridia, some of which may contain sperm cells. Nearer the notch of the "heart" you will find the archegonia. In order to visualize their shape in three dimensions, you will have to focus up and down on the archegonia. Examine the…arrow_forward
- The alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosisarrow_forward1. Which group bears stomata only in the sporophyte generation? a. Bryophyta b. Chrysophyta c. Marchantiophyta d. Anthocerophyta 2. Which is TRUE about bryophytes? a. Not all bryophytes have conspicuous gametophyte generation. b. The gametophyte bears the sporangium where the spores are located. c. The sporophyte stage is dependent on the gametophyte for nutrition. d. All bryophytes exhibit a peristome which aids in nutrient transfer. 3. Why is Sphagnum widely used as a growth medium in horticulture? a. Because it prevents nutrient deficiency due to its decay-resistant phenol-rich cell wall. b. Because it prevents salinity stress due to its high water-holding capacity. c. Because it prevents plasmolysis due to its high water-holding capacity. d. Because it prevents seed rot due to the antiseptic property of its phenol-rich cell wall.arrow_forwardMatch the terms appropriately. ___ ovule a. gamete-producing body ___ cuticle b. spore-producing body ___ gametophyte c. where eggs form ___ sporophyte d. underground stem ___ fruit e. mature ovary ___ endosperm f. nutritive tissue in seed ___ rhizome g. where fern spores form ___ sorus h. secreted waxy layerarrow_forward
- In an alternation of generations life cycle, spores developinto____________ that produce gametes that fuse to giverise to__________ .a. haploid gametophytes; diploid sporophytesb. diploid gametophytes; haploid sporophytesc. haploid sporophytes; diploid gametophytesd. diploid sporophytes; haploid gametophytesarrow_forwardO C. angiosperm D. gymnosperm 3. Write the sequence (order) of how a plant seed is dis (scattered)? Use transition words first, next, and then to seed being dispersed. * Your answer 4. Which of the following plants produce spores? A. angiosperms B. gymnosperms C. seedless vascular plants D. vascular plants with flowers 5. Why are many fruit plants trees?*arrow_forwardWhich of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forward
- In addition to having simple vascular tissue, seedless vascular plants differ from all bryophytes in that: a. they do not require free water for fertilization. b. the sporophyte generation is dominant. c. most do not require a moist, humid, or shaded habitat. d. the group is much more diverse, with many more speciesoverall. e. most have a feathery or flattened thallus.arrow_forwardThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forwardFigure 23.28 Which of the following statements about the Laminaria life cycle is false? In zoospores form in the sporangia. The sporophyte is the 2n plant. The gametophyte is diploid. Both the gametophyte and sporophyte stages are multicellular.arrow_forward
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