Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 3SQ
Complete the following analogies:
- a. Gametophyte is to haploid as ____ is to diploid.
- b. _____ are to conifers as flowers are to_____.
- c. Ovule is to seed as ovary is to______.
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Which of the following statements regarding plants is false?a. Meiosis within anthers produces spores that develop intopollen.b. Meiosis within ovules produces spores that develop into anembryo sac.c. The male gametophyte is a pollen grain, and the femalegametophyte is an embryo sac.d. Meiosis directly produces sperm and egg cells in plants
Which 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 cells
Key features of seed plants facilitating life on land include three of the following four traits. Which of these is an exception?
a. Reduced gametophytes
b. Pollen
c. Homospory
d. Seeds
Which of these will most likely happen when bryophyte spores are dispersed to a favorable habitat, such as a moist soil or
tree bark?
a. They will germinate and grow into sporophytes.
b. They will germinate and grow into haplophytes.
c. They will germinate and grow into chlorophytes.
d. They will germinate and grow into gametophytes.
Which of the following is the purpose of having cuticles only at the upper surface of thallus of a non-vascular plant like a
moss?
a. Direct water and nutrient absorption
b. Efficient exchange of gases
c. Faster generation of osmotic pressure in leptoids
d. Easier diffusion of carbon dioxide
Chapter 16 Solutions
Campbell Essential Biology (7th Edition)
Ch. 16 - Which of the following structures is common to all...Ch. 16 - Prob. 2SQCh. 16 - Complete the following analogies: a. Gametophyte...Ch. 16 - Prob. 4SQCh. 16 - During the Carboniferous period, the dominant...Ch. 16 - You discover a new species of plant. Under the...Ch. 16 - How does the evergreen nature of pines and other...Ch. 16 - Prob. 8SQCh. 16 - Plant diversity is greatest in a. tropical...Ch. 16 - Prob. 10SQ
Ch. 16 - Prob. 11SQCh. 16 - Prob. 12SQCh. 16 - Prob. 13IMTCh. 16 - Prob. 14IMTCh. 16 - Prob. 15IMTCh. 16 - In April 1986, an accident at a nuclear power...Ch. 16 - Interpreting Data Airborne pollen of...Ch. 16 - Why are tropical forests being destroyed so...Ch. 16 - Mary prescription drugs are derived from natural...
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- What is the flower symmetry of a yellow bell? Why? a. Bilateral/ Zygomorphic b. Actinomorphic/ Radialarrow_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 the longest phase of the life cycle.arrow_forwardIn flowers, the structures that produce male gametophytes are called______ ; the structures that produce female gametophytes are called_____ . a. carpels; stamens c. pollen grains; flowers b. anthers; carpels d. megaspores; microsporesarrow_forward
- Describe the orders Fabales, Rosales and Brassicales based on the ff: A. Plant type (monoecious or dioecious) B. Leaf type C. Leaf shape D. Seed size and shape E. Special seed characteristics F. Fruit morphologyarrow_forwardWhich of the following IS found in basal land plants (Embryophyta), but NOT found in Chara?a. Multicellular gametangia with sterile jacket.b. Diploid mitosis.c. Photoautotrophous gametophyted. Haploid mitosis.e. Sperm cells with two flagellaarrow_forwardWhat is the ploidy of two daughters of a dividing cell of a hornwort’s gametophyte? Select one: a. aploid b. diploid c. none of these choices d. haploid e. triploid f. tetraploidarrow_forward
- 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_forwardMeiosis occurs within the: A. Endosperm B. Petal C. Ovary D. Ovule E. Stigmaarrow_forwardIn the alternation of generations in plants, the gametophyte is _______ and produces gametes by _______. a. haploid; mitosis c. haploid; meiosis b. diploid; mitosis d. diploid; meiosisarrow_forward
- Which of these pairs is mismatched? a. anther—produces microspores b. carpel—produces pollen c. ovule—becomes seed d. ovary—becomes fruit e. flower—is a reproductive structurearrow_forwardCompare what happens to a spore mother cell as it gives rise to a spore with what happens to a spore as it gives rise to a gametophyte. a. The spore mother cell and the spore both go through meiosis. b. The spore mother cell and the spore both go through mitosis. c. The spore mother cell goes through mitosis, and the spore goes through meiosis. d. The spore mother cell goes through meiosis, and the spore goes through mitosis.arrow_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
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