Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 29, Problem 2TYU
Which of the following characteristics of plants is absent in their closest relatives, the charophyte algae?
(A) Chlorophyll b
(B) cellulose in cell walls
(C) sexual reproduction
(D) alternation of multicellular generations
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Label the following diagrams.
(a) Spirogyra (Vegetative stage)
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(b)
(c)
(d)
(b-d) Spirogyra (Sexual reproduction stages)
Why it is called Spirogyra?
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
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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.
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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- Identify each of the following structures as haploid or diploid.(A) sporophyte(B) spore(C) gametophyte(D) zygotearrow_forwardThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forwardWhat traits do bryophytes and tracheophytes have in common? Check all that you think apply.A) they both undergo alternation of generationsB) they both have chlorophylls a and b.C) they both have an asexual life cycle stage.D) they both have multicellular gametangiaE) they both have apical meristemsarrow_forward
- a) What role does 'alternation of generation' play in encouraging survival of simple plants like the Bryophytes and Hepatophytes. b) i) Anthrophytes also show alternation of generation. Identify the structures that represent these two stages in its life cycle. ii) Explain why the alternation of generation in Anthrophytes must be different from that of the Bryophytes.(-arrow_forwardThe waterproof region around the radial and transverse walls of endodermal cells is the (a) Casparian strip (b) pericycle (c) apoplast (d) symplast (e) pneumatophorearrow_forwardCell differentiation describes the a) height of different species of pine trees. b) specialization of cells for different functions. c) different leaf shapes found on trees. d) colour change in fall leaves.arrow_forward
- 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.arrow_forwardEvolutionary Group(s) Refer to figure 2 on page 2 of the lab. What color(s) is/are this organism? Does it contain chlorphyll? Is there a "photosymbiont" present (refer to the lichens of Wisconsin guide) Describe the structure and composition of this organism - does it have leaves, roots, thallus, rhizine, mycelia, fruiting bodies (etc.) How else might you distinguish this organism from another organism in this table Lichen Fungi Slime Mold Plantsarrow_forwardEpiphytes are(A) fungi that attack plants.(B) fungi that form mutualistic associations with roots.(C) nonphotosynthetic parasitic plants.(D) plants that grow on other plants.arrow_forward
- lides chrome extension://bpmcpldpdmajfigpchkicefoigmkfalc/views/app.html ent.docx BIU A 1. Of the following characteristics of plants, which are inherited (shared with green alg are new (evolved within the plant lineage only)? a) Multicellular sporangia b) Presence of chloroplasts c) Sessile (doesn't move) d) Embryos supported by parents e) Apical meristems f) Cellulose cell walls 2. Designate each of the following as haploid or diploid. a) Green part of a moss b) Liverwort spem c) Fern sporophy te d) Cells making up the antherid ium of a fem gameto phyte e) Plant spore f) Plant embryo 3. Fill in the blank: a) A plant spore grows into a b) Eggs are produced inside c) A plant zygote grows in to a d) Sporangia produce 4. What group of plants (bryophy tes. lycophytes, pteridophytes/ferns, seed plants/spermatop vascular plants/tracheophytes, plants/embryophy tes) is being described? Choose the group best fits the description. a) Can produce lignin-reinforced tissues (e.g., xylem, sclerench…arrow_forwardWhat is true about green algae and gymnosperms? I) both have the same chlorophyll II) both contain cellulose in their cell walls III) both have vascular root systems IV) both are multicellular a) III and IV O b) I, II and IV Oc) I, II, III and IV O d) IVarrow_forwardThe chlorophyte (green algae) genera Ulva and Caulerpa both have macroscopic leaf-like and stem-like structures, but only Ulva species are considered truly multicellular. Explain why.arrow_forward
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