Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 28, Problem 14PIAT
CAUTION A friend in your biology study group claims that eggs in mosses are fertilized by spores. What is wrong with that statement?
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Which of the following comparisons between the moss life cycle and fern life cycle are correct? A) Mosses have flagellated sperm that need water to reach the female gamete, while the sperm of ferns are unflagellated and are not dependent on water.B) The sporophyte generation is smaller than the gametophyte generation in mosses, but the sporophyte generation is much larger than the gametophyte generation in ferns.C) The spores are produced in capsules on stalks in mosses but in small structures called sori on the underside of leaves in ferns.D) The gametes are produced in gametangia in mosses but in specialized structures on the underside of leaves in ferns.E) Both kinds of plants depend on wind for dispersal of spores.
In ferns, which of these would be formed by meiosis inside a sporangium?
haploid spores
diploid spores
diploid zygote
haploid sperm
Byrophytes are usually found in areas that are very wet or damp at least part of the year. Which of the following statements describes characteristics of byrophytes that make them dependent on water? State all that numbers that apply.
1. They have a dominant gametophyte phase.
2. They have swimming sperm that need water so they can swim to fertilize the eggs of other nearby plants.
3. They do not have lignin-stiffened vascular tissue or roots to effectively distribute water throughout the plant.
Chapter 28 Solutions
Biological Science (6th Edition)
Ch. 28 - What important role does lignin play in vascular...Ch. 28 - Prob. 2TYKCh. 28 - What is a pollen grain? a. male gametophyte b....Ch. 28 - 4. What do seeds contain?
a. male gametophyte and...Ch. 28 - 5. What does it mean to say that a life cycle is...Ch. 28 - 6. SOCIETY Soils, water, and the atmosphere are...Ch. 28 - Prob. 7TYUCh. 28 - Explain the difference between homosporous and...Ch. 28 - Angiosperms such as grasses, oaks, and maples are...Ch. 28 - PROCESS OF SCIENCE You have been hired as a field...
Ch. 28 - Is long-distance sex possible in mosses?
Moss...Ch. 28 - 12. What structure do moss sperm use for motility,...Ch. 28 - Prob. 13PIATCh. 28 - 14. CAUTION A friend in your biology study group...Ch. 28 - Besides springtails, are there other ways moss...Ch. 28 - 16. Animals are responsible for pollinating many...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Figure 25.14 Which of the following statements about the moss life cycle is false? The mature gametophyte is haploid. The sporophyte produces haploid spores. The calyptra buds to form a mature gametophyte. The zygote is housed in the venter.arrow_forwardFigure 25.24 Which of the following statements about the fern life cycle is false? Sporangia produce haploid spores. The sporophyte grows from a gametophyte The sporophyte is diploid and the gametophyte is haploid. Sporangia form on the underside of the gametophyte.arrow_forwardIn bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; conearrow_forward
- Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forwardDetermine whether the structure in the life cycle of a moss is haploid or diploid and determine the process used to make the structure. 1 - Haploid 2 - Diploid A - Mitosis B - Meiosis C - Fertilization Gametophyte Answer Answer Sporophyte Answer Answer Spore Answer Answer Zygote Answer Answer Egg Answer Answerarrow_forwardA plant biologist discovers a new species of plant in the ashes of a recent forest fire along the sides of a steep mountain range. It is fall, and temperatures are dropping below freezing. The biologist cannot stay in the field to observe the plant. What can he infer about the plants reproductive strategy based on his recent observations? A) the plant will produce flowers because at this altitude there is sufficient sunlight B) the plant will produce comes because cones will mature into adult plants more rapidly C) the plant will produce cones because cones allow for seed dispersal through all seasons D) the plant will produce flowers because flowers can protect the seed from extreme conditionsarrow_forward
- Zygomycete bread molds such as Rhizopus stolonifer (black bread mold) produce sporangia in both sexual and asexual reproductive cycles. Which of the following do the sexual sporangia of Rhizopus stolonifer originate from (i.e. what does the sporangia grow out of)? Select one: O a. from the aseptate hyphae O b. from the zygosporangium O c. from the substrate O d. from the gametangiaarrow_forwardReproductive structures are the critical factors in distinguishing algae from true plants of kingdom Plantae. What is one fundamental difference between reproductive structures in these two groups?arrow_forwardDraw the life cycle of a typica bryophyte such as moss. Your drawing should contain the following terms: 2N and N, Sporophyte and Gametophyte, Sporangium, Meiosis, Spores, Protonema, Antheridium, Sperm, Archegonium, Egg and Fertilizationarrow_forward
- write short notes on what follows spore germination in ferns (i.e. spore germinates into...)arrow_forwardOne of the genera of Lycophytes are the Selaginellaceae. Like other Lycophytes, Selaginellids bear their spores in a strobilus but they have an unusual strobilus. Which answer below best describes this difference? O their spores are always diploid O they are gaemtophyte dominant O their spores are heterosporous O their strobilus is dependnent upon the female gametophyte like mosses APR 25 étv MacBook Pro G Search or type URL @ #3 % %24arrow_forwardExplain the life cycle of a fern. Begin with the dominant portion of their life cycle and work your way through the rest including specific names of structures, types of cell division used, and nuclear conditions. Along with your explanation (paragraphs, bulleted points, etc.), I would like for you to discuss in a few sentences how this life cycle is more advanced than a typical moss’s life cycle and, in a few sentences, how it is not quite as advanced as a typical pine’s life cycle.arrow_forward
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