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4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 14, Problem 3MC
Summary Introduction
Introduction:
Ferns are flowerless spore producing vascular plants having alternating sporophyte and gametophyte generations. The three major parts of fern are the rhizome, the fronds and the reproductive structures called sporangia. The rhizome is the stem of the fern plant.
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Students have asked these similar questions
Ferns differ from mosses in having:
O a. There is no separate gametophyte and sporophyte (each plant changes from sexual to asexual).
O b. The gametophyte is dioecious (single sex).
Oc. The sperm are transported by wind.
O d. Afunction of the roots is to absorb water from the soil.
O e. Dispersal is no longer by spores.
The following traits are shared by some members of the ANA Grade and Magnoliids, EXCEPT:
a. monosulcate pollen
b. one seed cotyledon
c. spiral arrangement of perianth
d. absence of vessel in wood
e. numerous, free carpels (apocarpous)
In the life cycle of a bryophyte,
represent(s) the gametophyte (haploid) form and
represents the sporophyte (diploid) form.
A. microscopic gametes; a multicellular leafy structure
B. the multicellular foliose form; a smaller, temporary, dependent structure
C. a gemmae cup; the leafy permanent portion
D. a multicellular foliose form; a gemmae cup
E. a multicellular foliose form; a collection of spores or sori
Chapter 14 Solutions
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- Which of the following statements is NOT true of the stems of vascular plants? a. Stems are composed of repeating segments, including nodes and internodes. b. Primary growth only occurs at the shoot apical meristem. c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem. d. Stems can contain stomata.arrow_forwardWhich of the following cell types is responsible for cavitation-induced spore dispersal in most ferns? A. stipe cells B. indusium cells C. oogonia cells D. annular cellsarrow_forwardOne characteristic that separates ferns from complex vascular plants is that ferns do not havea. a vascular system.b. chloroplasts.c. alternation of generations in their life cycle.d. seeds.arrow_forward
- Choose the best below : How are ferns different from mosses?a. Only ferns produce spores as dispersal agents.b. Ferns have vascular tissue.c. In the fern life cycle, the gametophyte and sporophyte areboth independent.d. Ferns do not have flagellated sperm.e. Both b and c are correct.arrow_forwardKnow examples of gymnosperm families that have the following characteristics: A. Only opposite whorled leaves B. Compound leaves C. Fleshy, drupaceous appearing fruits D. Genera that are not evergreenarrow_forwardThe following structures are found on the underside of fern leaves and contain sporangia: a. sori b. rhizomes c. megaphylls d. microphyllsarrow_forward
- The following evolutionary trends are seen in the seedless land plants. a. Gametophytes became photosynthetic. b. A key innovation accompanying the appearance of pterophytes was the haplodiplontic life cycle. c. The gametophyte generation became the dominant generation. d. There is increased protection of the sporophyte generation in its early developmental stages.arrow_forwardWhich of the following statements about the haplodiplontic life cycle of land plants is/are TRUE? A During the sporophyte stage, sporangia house diploid mother cells that will eventually undergo meiosis. B Sperm develop from mitosis in the archegonium. C Spores grow by mitosis into mature haploid gametophytes. D The gametophytic stage begins with a diploid spore. EA and C are both true.arrow_forwardA very important feature of ferns is shown: Their shoot xylem is not solid as it was in the rhyniophytes. In the evolution of ferns and seed plants, there was the evolution of pith. A stele with a pith is called a . Another significant feature of ferns is that the phloem occurs both to the outer side as well as the inner side of the xylem. Where does it occur in the vascular bundles of flowering plants?arrow_forward
- The alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosisarrow_forwardGametophytes develop into gametes and sporophytes develop into spores. True False In mosses and ferns, fertilization, and zygote and embryo formation occur in antheridia. True False Which of the following structures are in an archegonium of a moss? sterile jacket venter neck spermatogenous cells Ferns have roots and vascular tissues but mosses don't. True Falsearrow_forwardThe presence of vascular tissue allows a plant to grow much larger than its gametophyte counterpart. what are the two functions of vascular tissue that allow this? why is using pollen seed plants an advantage over swimming sperm (seedless plants) for reproduction? what is the advantage of using a seed to reproduce as compared to the process by moss and ferns?arrow_forward
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