CAMPBELL BIOLOGY - BIO 121 W/ACC >IC<
8th Edition
ISBN: 9781323423967
Author: Reece
Publisher: PEARSON C
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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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Why must bryophytes inhabit damp environment? It is because *
A. their sporophyte generation is dependent on the gametophyte.
B. their sperm must swim to reach the egg.
C. they do not have woody tissues.
D. females can produce only one archegonium.
What traits do bryophytes and tracheophytes have in common? Check all that you think apply.A) they both undergo alternation of generationsB) they both have chlorophylls a and b.C) they both have an asexual life cycle stage.D) they both have multicellular gametangiaE) they both have apical meristems
a. How do the moss gametophyte and sporophyte stages obtain their energy
b. Is the prominent part of the liverwort haploid or diploid?
Chapter 17 Solutions
CAMPBELL BIOLOGY - BIO 121 W/ACC >IC<
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; conearrow_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_forwardThe 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_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 genera most likely directly gave rise to the land plants? a. Volvox b. Chlamydomonas c. Ulva d. Charaarrow_forwardHow 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. The zygote undergoes meiosis to generate a haploid sporophyte.arrow_forward
- The life cycles of perfect fungi are most similar to which other organism? a. Hydra that undergo asexual budding b. Diploid-dominant pea plants c. Haploid-dominant green algae d. Bacteria undergoing binary fissionarrow_forwardWhich two structures evolved though a series of changes in the reproductive biology among some heterosporous plants during the late Devonian period allowed spermatophytes (seed plants) to reduce or eliminate their dependence on water for gamete fertilization and development of the embryo and allowed them to colonize a much wider range of habitats?arrow_forwardA botanist travels to an area that has experienced a long, severe drought. While examining the bryophytes in the area, he notices that many are in the same life-cycle stage. Which life-cycle stage should be the most common? a. zygote b. gametophyte c. sporophyte d. archegoniumarrow_forward
- 2.There are 10 flowers in plant of crotalaria, in each microsporangium there are 30 microspore mother cells,how many pollen grains are formed from that plant(A) 4,000 (B) 10,000(C) 24000 (D) 48,000arrow_forwardWhich reproductive structures would be found in a seedless, nonvascular plant? A. ovules B. archegonia C. cones D. megasporangiaarrow_forwardGlittering wood-moss (Hylocomium splendens) is a species of moss that can be found in Alaska and Canada. Based on what you know about mosses, what is likely true of the female gametes of glittering wood-moss? A) They are haploid.B) They lack flagella.C) They are produced when the gametophyte undergoes meiosis.D) They are smaller than the male gametes.E) They are housed in archegonia.arrow_forward
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