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 5TYU
What does it mean to say that a life cycle is gametophyte dominant versus sporophyte dominant?
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What is the dominant phase in the life cycle of a Bryophyte? How does this compare to the dominant phase of the rest of the land plants?
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What phase of the life cycle (gametophyte or sporophyte) produces Bryophyte spores? By what process of cell division (mitosis or meiosis) are the spores produced?
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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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- Of the four parts of alteration of generations cycle (embryo/sporophyte, spore, gametophyte, gamete), which one does pollen belong to?arrow_forwardWhat is a gametophyte? How many different types of gametophytes are there in a plant life cycle? What do they look like (as shown)? Do the sporophytes and gametophytes of seed plants ever look like each other?arrow_forwardGametophyte and sporophyte generations take turns in a type of sexual reproduction called what?arrow_forward
- Is gamete producing hiploid gametophyte and spore produce diploid sporophytes?arrow_forwardWhat are the five key traits that appear in nearly all plants but are absent in charophytes? If these traits are absent in charophytes what does that make them? What is a gametophyte? What is sporophyte? Are they haploid or diploid? What do they produce?arrow_forwardBryophytes and Pteridophytes produce a large number of male gametes butrelatively very few female gametes. Why?arrow_forward
- What is the function of the sporophyte (that is, what does it do, or what reproductive structures does it produce)? What type of nuclear division must take place for the sporogenous tissue to become spores? Is the protonema part of the gametophyte or sporophyte generation?arrow_forwardIn general where is thesporophyte positioned inrelation to the gametophyte inbryophytes? How does thesporophyte obtain nutrients?arrow_forwardWhat letter in the diagram identifies the sporophyte? Which letter in the diagram indicates the gametophyte? What letters in the diagram indicates the gametes? What letter in the diagram identifies the spores? What is the part of the lifecycle labeled I?arrow_forward
- Male gametophytes in the pine tree are produced by which of the following processes? -Gametogenesis -Mitosis -Neither mitosis nor meiosis -Meiosis -Microsporophyte generationarrow_forwardWhat event begins the gametophyte phase of the life cycle? Where does this event occur in liverworts and mosses?arrow_forwardWhich is the dominant part of the Lycopodium life cycle, the sporophyte or gametophyte?arrow_forward
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