CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 26, Problem 9TYU
FOCUS ON INTERACTIONS
Giant lycophyte trees of Earth’s early forests (see Figure 26.30) had microphylls, whereas ferns and seed plants have megaphylls. Write a short essay (100-150 words) describing how a forest of lycophyte trees may have differed from a forest of large ferns or seed plants. In your answer, consider how the type of forest in which they grew may have affected interactions among small plants growing beneath the tall ones.
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Students have asked these similar questions
Both ferns and mosses are dependent on a wet environment, and neither can survive
in dry environments. Two reasons why both ferns and mosses require wet
environments are.?***Bubble both that apply for credit
Mosses and ferns require water reproduction
Neither ferns nor mosses have vascular tissue
Mosses and ferns are both gametophyte dominant
Mosses and ferns reproduce by using free spores, not seeds
Complete the table with the structure descriptions, function, or adaptive significance, and which among the plant groups possess the structure. An example has been provided to you in row 2.
Table 1. Characterizing Plant Structures
Structure
Description
(Describe the structure)
Indicate whether the structure is a part of the Gametophyte or Sporophyte Generation
What is its Function/Adaptive
Significance for the Plant
Where can it be found?
CHOICES:
MOSS: mosses and other bryophytes; FERN: fern and other seedless vascular plants; PINE: pine and other gymnosperms; ANGIOSPERM: all angiosperms
Example: cuticle
Waxy waterproof covering found in the surface of the aerial parts of the plant.
Both in gametophyte and sporophyte
Protects the plant epidermis from excessive water loss, mechanical damage, and other environmental stresses.
ALL
1. sorus
2. sporophyll
3. xylem tissue
4. antheridium…
One evident apomorphy evolved in vascular plants is the establishment of true
leaves which is characterized by the incorporation of the vascular system.
Select one:
True
False
The calyptra in mosses generally function in the regulation of gas exchange and
water uptake.
Select one:
True
False
Elaters are non-sporogenous cells with spiral wall thickenings and is mainly for
spore dispersal of liverworts.
Select one:
O True
False
Chapter 26 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
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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- The non-vascular plants are represented today by three phyla of small herbaceous plants namely: Phylum Hepatophyta, Phylum Anthocerophyta, and Phylum Bryophyta. Cite and explain how the structure fits function in bryophytesarrow_forwardComplete this table: Comparison of Important Characteristics of Land Plants Features Moss Fern Conifer Flowering Plant Gametophyte or sporophyte dominant Gametophyte Sporophyte Vascular tissue (+/-) No vascular system Seed (+/-) No seeds Fruit (+/-) Water required for fertilization Pollen grain (+/-) Homosporous or heterosporous Homosporous Homosporous Heterosporous Heterosporous Examplesarrow_forwardThe picture below shows a living member of the Pteridophytes. Make a sketch of the specimen and label the following structures: sporophyte, frond, pinna, rhizome, root (Alternatively, you can find a live fern with all these structures and take a picture, label it and upload here.)arrow_forward
- When vascular tissue first forms, the central cylinder of xylem and phloem is called a stele. The stele of vascular plants come in several types depending on how the vascular tissue is arranged. Below is a cross section of a clubmoss (Lycopodium), which is actually an ancestral group of seedless vascular plants and not a true moss. What type of stele do clubmosses have? (You may need to search your Photo Atlas or internet to find the answer). O protostele O siphonostele O eustele O dictyostelearrow_forwardPlease type a brief definition of the following terms Photoperiod - Long day vs. Short day vs. Day-neutral plants - Merosity - Quartet model - Orthologs - Microsporangium - Staminode - Self-incompatibility (SI) - Aggregate vs. multiple fruits - Homology vs. Homoplasy -arrow_forwardT Complete the following table by listing the dominant life stage (gametophyte or sporophyte) for each type of plant and checking the features that each possesses. (Check only those boxes of features that are present. If the feature is absent in that type of plant, leave the box blank.) Type of Plant Bryophytes Ferns Gymnosperms Angiosperms Dominant Life Stage Produces spores that are released from the plant? Has vascular system? Produces seeds? Produces Produces pollen? flowers? Produces fruit?arrow_forward
- FILL UP THE TABLE WITH 1=PRESENT AND 0=ABSENT Xylem Wood and Phloem Seeds Chloroplast Cuticle and Flower Chlamydomonas Marchantia Psilotum Gingko |xora Construct a phylogenetic tree for the following OTU and use bars to denote their apomorphiesarrow_forwardTrimerophytes were plants that probably evolved from rhyniophytes but with more derived features. In one feature, certain stems grow longer than others, and thus, rather than having dichotomous branching, they have branching (displayed especially by Pertica). Simultaneously, the positioning of branches became more and .arrow_forwardName two genera of living lycophytes. What are their common names? About how big do they get? Are they leafy or do they have naked stems? In a plant identification book, they would probably be listed with ferns.arrow_forward
- Refute the claim that bryophytes have never managed to achieve tree sizes because they lack an efficient water transport system. Support your arguments (with factual references).arrow_forwardWRITE ABOUT A THEME: ORGANIZATION In a short essay(100–150 words), explain how the evolution of lignin affectedvascular plant structure and function.arrow_forwardThe move to land had challenges that needed to be overcome, but the reward was great. Match each taxa (group) to the correct adaptation that taxa acquired to meet the challenges of life on land. Presence of a thing cuticle to resist drying out, produce spores, but no vascular system. Fungi Developed a chitin cell wall, produce spores, excrete digestive enzymes into their environment and absorb nutrients. Gymnosperms and Angiosperms Moss (Bryophytes) Have internal organs such as lungs rather than external organs such as gills. Developed weight-bearing limbs. Animals Presence of a vascular system, microscopic gametophyte, have substantial roots, and produce seeds. Ferns Presence of a vascular system, reduced gametophyte, produce spores.arrow_forward
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