BIOLOGY (LL)
5th Edition
ISBN: 9781264115495
Author: BROOKER
Publisher: MCG
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Chapter 31, Problem 4TY
Summary Introduction
Introduction: There are different groups of plants such as
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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 gametophyte is the dominant stage in the life cycle for which of the following plant groups?
A.
ferns
B.
horsetails
C.
liverworts
D.
whisk ferns
E.
club moss
Companion cells are unique to:A. Bryophytes B. PteridophytesC. Angiosperms D. Gymnosperms
Chapter 31 Solutions
BIOLOGY (LL)
Ch. 31.1 - Prob. 1CCCh. 31.2 - Why did giant dragonflies exist during the...Ch. 31.3 - Prob. 1CCCh. 31.4 - What were the goals of the Browning and Gunning...Ch. 31.4 - Prob. 2EQCh. 31.4 - Prob. 3EQCh. 31.5 - Core Skill: Modeling The goal of this modeling...Ch. 31.5 - Prob. 1CCCh. 31.5 - Core Skill: Connections Look ahead to Figure...Ch. 31.5 - Prob. 2CC
Ch. 31 - The simplest and most ancient phylum of modern...Ch. 31 - Prob. 2TYCh. 31 - A seedless plant phylum that is included in the...Ch. 31 - Prob. 4TYCh. 31 - The seed plants are also known as a. bryophytes....Ch. 31 - Prob. 6TYCh. 31 - Prob. 7TYCh. 31 - Prob. 8TYCh. 31 - Prob. 9TYCh. 31 - Prob. 10TYCh. 31 - List several common traits that lead evolutionary...Ch. 31 - Prob. 2CQCh. 31 - Prob. 3CQCh. 31 - Prob. 1COQCh. 31 - Prob. 2COQ
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- The following structures are found on the underside of fern leaves and contain sporangia: a. sori b. rhizomes c. megaphylls d. microphyllsarrow_forwardWhich group of plants bears stomata only in the sporophyte generation? a. Chrysophyta b. Anthocerophyta c. Bryophyta d. Marchantiophyta Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? a. Pollen b. Dependent gametophytes c. Ovules d. Alternation of generations Which of these statements is an incorrect comparison of a pine cone and a flower in terms of structure and function? a. Pine cones and flowers both have gametophytes and modified leaves that produce spores. b. All of the statements are correct. c. Unlike pine cones, many flowers produce both pollen and ovules. d. Pine trees have separate pollen cons and ovulate cones while in flowers, pollen grains are produced by the anthers of stamens, and ovules are within the ovaries of carpels.arrow_forwardThe 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_forward
- Which of the following is true statement about plant reproduction? O a. Egg and sperm of bryophytes swim toward one another. O b. Bryophytes are limited to asexual reproduction O C. Gametangia protect gametes from excess water O d. Both male and female bryophytes produce gametangiaarrow_forwardPlants developing in dry conditions are: A. xerophytes B. mesophytes C. lithophytes D. hydrophytesarrow_forwardworking in the field, you discover a fossil of a previously undescribed plant species. the specimen is small and may not be complete; the parts you have do not include any floral organs. what sort of observations(evidence) would you need in order to classify the fossil as a vascular plant with reasonable accuracy? what evidence would you need to distinguish between an angiosperm and a gymnosperm?arrow_forward
- Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forwardWhich of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forwardThe bryophytes (a) include mosses, liverworts, and hornworts (b) include whisk ferns, horsetails, and club mosses (c) are small plants that lack a vascular system (d) a and c (e) b and carrow_forward
- Which of the following would not be found in a moss?a. sporophytesb. stomatac. cotyledonsd. gametophytesarrow_forwardCorn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely:a. a gymnospermb. a monocotc. a eudicotd. a basal angiospermarrow_forwardWhat are functions of the following parts of the plants: a.Lamina b. Midrib c. Petiole d. Bud e. Sheath f. Node g. Auricle h. Ligule i. Bladearrow_forward
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