Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 29, Problem 5TYU
Suppose an efficient conducting system evolved in a moss that could transport water and other materials as high as a tall tree. Which of the following statements about “trees” of such a species would not be true?
(A) Spore dispersal distances would probably increase.
(B) Females could produce only one archegonium.
(C) Unless its body parts were strengthened, such a“tree” would probably flop over.
(D) Individuals would probably compete more effectively for access to light.
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Suppose an efficient conducting system evolved in a moss thatcould transport water and other materials as high as a tall tree.Which of the following statements about “trees” of such aspecies would not be true?(A) Spore dispersal distances would probably increase.(B) Females could produce only one archegonium.(C) Unless its body parts were strengthened, such a “tree”would probably flop over.(D) Individuals would probably compete more effectively foraccess to light.
In a young anther, a group of compactly arranged homogenous cells were observed in the centre of each microsporangium. What is the name given to these cells?
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.
Chapter 29 Solutions
Campbell Biology
Ch. 29.1 - Why do researchers identify the charophytes rather...Ch. 29.1 - Identify four derived traits that distinguish...Ch. 29.1 - Prob. 3CCCh. 29.2 - Prob. 1CCCh. 29.2 - Give three examples of how structure fits function...Ch. 29.2 - MAKE CONNECTIONS Review the discussion of...Ch. 29.3 - List the key derived traits found in monilophytes...Ch. 29.3 - Prob. 2CCCh. 29.3 - MAKE CONNECTIONS In Figure 29.12, if...Ch. 29 - Draw a phylogenetic tree illustrating our current...
Ch. 29 - Summarize the ecological importance of mosses.Ch. 29 - What trait(s) allowed vascular plants to grow...Ch. 29 - Three of the following are evidence that...Ch. 29 - Which of the following characteristics of plants...Ch. 29 - In plants, which of the following are produced by...Ch. 29 - Microphylls are found in which plant group? (A)...Ch. 29 - Suppose an efficient conducting system evolved in...Ch. 29 - Identify each of the following structures as...Ch. 29 - EVOLUTION CONNECTION DRAW IT Draw a phylogenetic...Ch. 29 - SCIENTIFIC INQUIRY INTERPRET THE DATA Ihe feather...Ch. 29 - WRITE ABOUT A THEME: INTERACTIONS Giant lycophyte...Ch. 29 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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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
- Your class is studying the burrs – the seed pods – of the common burdock plant. Your lab partner notices that the burrs easily cling to clothing, as well as to each other, and that some of the spines have come loose and gotten stuck in her skin, which is somewhat painful. Based on these observations, is there a logical explanation, other than reproductive success, for why the seed might have this special structure? (a) Yes, the structure may help the seed cling to the soil so that it can take root more easily (b) yes, these structures may prevent the seeds from getting damaged or eaten by other animals (c) yes, the structures may help prevent the seeds from getting pulled from the plant by sticking to each other (d) No, they are obviously intended to attach to animals so that they can be carried and dropped elsewherearrow_forwardWhich of the following lettered structures would contain microsporangia?arrow_forwardsporangiophores are interpreted as modified branches and consist of a stalk and a shield- like portion. Inside of the sporangium, look for the spores each with a pair of elongated appendages called elaters. These elaters respond to changes in the humidity to aid in spore dispersal. 18. Label the spores on Figure 6 below. Figure 6. Equisetum strobilius l.s. Equisetum is homosporous and produces green, free-living, bisexual gametophytes. (See text Figure 17-40 and 17-41, page 425-427.) Photo by Carolyn Alling Fill in Table 1 from the Bryophyte lab with information about Lycophytes, Ferns, and Horsetails. 97arrow_forward
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- Which of the following statements is accurate? a) All plants have identical sporangia, all producing the same type of spores b) Plants have an embryo that is protected inside (and nourished by) the gametophyte c) Gametangia produce gametes by meiosis whereas sporangia produce spores by mitosis d) Gametangia always produce haploid gametes whereas sporangia produce diploid spores e) Gametangia are multicellular structures whereas sporangia are unicellular structuresarrow_forwardWhich of the following characteristics of plants is absent intheir closest relatives, the charophyte algae?(A) chlorophyll b(B) cellulose in cell walls(C) sexual reproduction(D) alternation of multicellular generationsarrow_forwardThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forward
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