Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 26.3, Problem 3CC
MAKE CONNECTIONS Monilophytes and seed plants both have megaphylls, as well as other traits not found in lycophytes Explain this observation using Figure 26.18 and the concept of descent with modification (see Concept 19.2).
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Table 4 Comparison of Important Characteristics of Plants
Trait
Charophytes Bryophytes Pteridophytes Gymnosperms Angiosperms
Gametophyte
or sporophyte
dominant
Stomata (+/-)
Cuticle (+/-)
Water
required for
fertilization?
Vascular
tissue (+/-)
Seeds
present?
Pollen
present?
Fruit present?
Examples
MAKE CONNECTIONS In addition to cotyledon number, how do thestructures of monocots and eudicots differ? (See Figure 30.16.)
Part 1: Identify the haploid and diploid generations of the following plants. (Examples are
found in your prelab reading)
Identify the Bryophyte and if it is in its haploid or
diploid reproductive state.
A hornwort Haploid
B Moss Haploid
C Liverwort Haploid
List the stages of the life cycles for all three classes of Bryophytes starting from the spore stage.
中
Mosses
Liverworts
Hornworts
Spore
Spore
Spore
How does the life cycle of nonvascular plants differ from that of vascular plants?
Why are ferns considered vascular plants even though they share a life cycle similar to
Bryophytes?
Chapter 26 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 26.1 - Why do researchers identify charophytes rather...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.1 - WHAT IF? What would the human life cycle be like...Ch. 26.2 - Prob. 1CCCh. 26.2 - Describe the importance of mycorrhizae, both today...Ch. 26.2 - MAKE CONNECTIONS Review Figures 8 .3 and 8.5. If a...Ch. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - MAKE CONNECTIONS Monilophytes and seed plants both...
Ch. 26.4 - What features not present in seedless plants have...Ch. 26.4 - Explain why Darwin called the origin of...Ch. 26.4 - MAKE CONNECTIONS Suppose the Bennettitales and...Ch. 26.5 - Prob. 1CCCh. 26.5 - Prob. 2CCCh. 26.5 - MAKE CONNECTIONS Figure 1.9 illustrates the...Ch. 26.5 - Prob. 4CCCh. 26 - Prob. 1TYUCh. 26 - Which of the following characteristics of plants...Ch. 26 - Prob. 3TYUCh. 26 - Prob. 4TYUCh. 26 - Prob. 5TYUCh. 26 - DRAW IT Use the letters a-d to label where on the...Ch. 26 - SCIENTIFIC INQUIRY INTERPRET THE DATA The grass...Ch. 26 - FOCUS ON EVOLUTION The history of life has been...Ch. 26 - FOCUS ON INTERACTIONS Giant lycophyte trees of...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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- Discuss Concepts Compare the size, anatomical complexity, and degree of independence of a Douglas fir female gametophyte and a dogwood female gametophyte. Which one is the most protected from the external environment? Which trend(s) in plant evolution does your work on this question bring to mind?arrow_forwardHow may the following trends in plant evolution be adaptive to living on land? (a) dependence on water for fertilization ➝ no need for water as a transport medium (b) homospory ➝ heterosporyarrow_forwardRecently, the moss Physcomitrella patens had been included among the model organisms in understanding the physiology, molecular biology, and other factors to represent the plant kingdom. What advantages do this species bring in these given aspects over the very well-known Arabidopsis thaliana?arrow_forward
- Do mosses have an alteration of isomorphIC Or heteromorphic generations? That is, can youeasily tell a moss gametophyte from a moss sporophyte? When we look at leafy green mossplants, what are we seeing - gametophyte or the sporophyte? in a fiowering plant species,would the equivalent stage be the plant the pollen grains and megagametophytesarrow_forwardMarine angiosperms form a significant component of the sea grass, mangroves and salt marsh communities. Explain in detail what are the 5 adaptations that help seagrass adapt their ecology to such particular environments.arrow_forwardve AS Help Normal Liberation ... 12 BIU 4. In the phylogenetic tree of vascular plants below, all of the taxa directly under each box belong to the group in the box (i.e., the lycophytes include clubmosses, quillworts, and spikemosses). Which of the four boxed groups are monophyletic, and which are paraphyletic? What characteristic(s) would separate bryophytes from lycophytes? A - 三= bryophytes lycophytes seed plants angiosperms hornworts Amborella dicots Roots Seeds True leaves, roots Vascular tissue liverworts mosses clubmosses quillworts spikemosses ferns gymnosperms monocotsarrow_forward
- Do mosses have an alternation of isomorphic or heteromorphic generations? That is, can you easily tell a moss gametophyte from a moss sporophyte? When we look at leafy green moss plants, what are we seeing—the gametophyte or the sporophyte? In a flowering plant species, would the equivalent stage be the plant or the pollen grains and megagametophytes?arrow_forwardThe male gametophyte of the moss looks identical to the female from the naked eye, but the photo below (I.s. at 4x and then at 40 x) shows that the tip contains the structures where male gametes are produced.arrow_forwardGive answer.arrow_forward
- Make a parsimonious cladogram between the evolutionary connection of the following plants groups:arrow_forwardXylem Wood and Phloem Seeds |Chloroplast Cuticle and Flower Chlamydomonas Marchantia Psilotum 1 1 1 1 1 Gingko 1 1 1 1 Ixora 1 1 1 1 1 Construct a phylogenetic tree for the following OTU and use bars to denote their apomorphiesarrow_forwardUse the image to correctly fill in the following blanks. The whole specimen is a [A], a gametophyte structure found in the phylum [B]. The structures found within the circle are called, [C] and the arrows point at examples of [D]. [E] seen in the triangle are only to keep the plant anchored in place. ASUS VivoBookarrow_forward
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