CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 17, Problem 6TYK
The diploid sporophyte stage is dominant in the life cycles of all of the following except
a. a pine tree.
b. a rose bush.
c. a fern.
d. a moss.
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Check out a sample textbook solutionStudents have asked these similar questions
The sporophyte of nonvascular plants
A. possesses anthers and archegonia
O B. produces spores
C. is the dominant stage of their alternation of generations
D. produces non-motile sperm cells
E. is dependent on wind pollination
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
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 meiosis
Chapter 17 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 17 - In this abbreviated diagram, identify the four...Ch. 17 - Identify the cloud seen in each photograph....Ch. 17 - Angiosperms are different from all other plants...Ch. 17 - Which of the following structures produce eggs and...Ch. 17 - The eggs of seed plants are fertilized within...Ch. 17 - The diploid sporophyte stage is dominant in the...Ch. 17 - Prob. 7TYKCh. 17 - Prob. 8TYKCh. 17 - Prob. 9TYKCh. 17 - Prob. 10TYK
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- Which 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_forwardWhich of the following pairs of plant structure has the haploid number ofchromosomes? A. Megaspore mother cell and antipodal cells B. Egg cell and antipodal cells C. Egg cell and endosperms D. Microspore mother cell and antipodal cellsarrow_forwardWhat is the ploidy of the following structures: gametophyte, seed, spore, sporophyte? a. 1n, 1n, 2n, 2n b. 1n, 2n, 1n, 2n c. 2n, 1n, 2n, 1n d. 2n, 2n, 1n, 1narrow_forward
- Which of the following structures is not found in bryophytes? a. a cellulose cell wall b. chloroplast c. sporangium d. rootarrow_forward7. How does a haplontic plant population maintain genetic diversity?a.Zygotes are produced by random fusion.b.Gametes are created through meiosis.c.Diploid spores undergo independent assortment during mitosis.d.T h e zygote undergoes meiosis to generate a haploid sporophyte.8. What characteristic of Charales would enable them to survive a dry spell?a.sperm with flagella b.phragmoplasts c.sporopollenin d.chlorophyllaarrow_forwardбуmnosperms Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores B. Mergasporngiav C. Homospores D. Megasporesarrow_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 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_forwardIn bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; conearrow_forward
- Which of the following genera most likely directly gave rise to the land plants? a. Volvox b. Chlamydomonas c. Ulva d. Charaarrow_forwardA mycorrhiza of a mushroom meet and matures to a new individual. A.Sporulation B.Parthenogenesis C.Isogamy D.Sexual Reproduction E.Asexual Reproductionarrow_forwardPlants developing in dry conditions are: A. xerophytes B. mesophytes C. lithophytes D. hydrophytesarrow_forward
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