Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 45, Problem 2MC
Summary Introduction
Introduction:
In
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
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
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.
Chapter 45 Solutions
Biology
Ch. 45.1 - Prob. 1CYLCh. 45.1 - diagram the life cycles of ferns and flowering...Ch. 45.2 - Prob. 1CSCCh. 45.2 - Prob. 1TCCh. 45.2 - Prob. 2TCCh. 45.2 - diagram the structure of a complete flower and...Ch. 45.2 - Prob. 2CYLCh. 45.2 - explain the processes of pollination and double...Ch. 45.3 - Prob. 1HYEWCh. 45.3 - explain how the parts of a flower develop into the...
Ch. 45.3 - describe the differences between monocot and dicot...Ch. 45.4 - The warmth of hot flowers attracts pollinators and...Ch. 45.4 - explain why many seeds undergo dormancy before...Ch. 45.4 - Prob. 2CYLCh. 45.5 - Prob. 1TCCh. 45.5 - Prob. 2TCCh. 45.5 - Prob. 1CYLCh. 45.6 - Prob. 1CSCCh. 45.6 - Prob. 1TCCh. 45.6 - Prob. 1CYLCh. 45.6 - describe how fruit structures aid in seed...Ch. 45.6 - Heat-producing flowers are rare, and many are...Ch. 45 - Prob. 1MCCh. 45 - Prob. 2MCCh. 45 - Prob. 3MCCh. 45 - Which of the following is True? a. Moth-pollinated...Ch. 45 - Prob. 5MCCh. 45 - Prob. 1FIBCh. 45 - In a flowering plant, the male gametophyte is the...Ch. 45 - Prob. 3FIBCh. 45 - Prob. 4FIBCh. 45 - Prob. 5FIBCh. 45 - Diagram the general plant life cycle. Which stages...Ch. 45 - Prob. 2RQCh. 45 - Prob. 3RQCh. 45 - Prob. 4RQCh. 45 - Prob. 5RQCh. 45 - Describe the characteristics you would expect to...Ch. 45 - Prob. 7RQCh. 45 - Describe three mechanisms whereby seed dormancy is...Ch. 45 - Prob. 9RQCh. 45 - Describe three types of fruits and the mechanisms...Ch. 45 - Prob. 1ACCh. 45 - Prob. 2AC
Knowledge Booster
Learn more about
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
- Vegetative propagation in liverworts is possible because of propagules known as gemmae. Select one: True False Where would you most likely find the megasporangium of an angiosperm? a. Within an ovule contained within an ovary of a flower b. In the style of a flower c. Enclosed in the stigma of a flower d. Packed into pollen sacs within the anthers found on a stamen Which of the following plant structures is NOT matched correctly to its function? a. Stomata allow gas transfer b. Tracheids allow the movement of water and minerals c. Cuticle prevents desiccation d. Plasmodesmata - form a supportive meshwork which acts as a cellular exoskeletonarrow_forwardWhich of the following structures in a flower is not directly involved in reproduction? a. the style b. the stamen c. the sepal d. the antherarrow_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
- All of the following are processes that occur during angiosperm reproductionEXCEPT A. One megaspore degenerate, and the other three divides once to producethe six-celled embryo sac.B. The microspore mother cell undergoes meiosis to produce four haploidmicrospores.C. The megaspore mother cell undergoes meiosis to produce four haploidmegaspores.D. The generative cell forms two sperm cells via mitosis.Sel generatif membentuk dua sel sperma melalui mitoarrow_forwardKey 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 dioxidearrow_forwardMeiosis occurs within the: A. Endosperm B. Petal C. Ovary D. Ovule E. Stigmaarrow_forward
- 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 soriarrow_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_forwardPollen grains in plants are produced in: A. roots B. leaves C. flower D. stemarrow_forward
- Which of the following is true regarding germination? a. Imbibition of water is the first step of germination b. All are true regarding germination c. Shoots emerge first, then roots d. The seed coat stays intact during germination e. Freezing and thawing can help start germinationarrow_forwardChoose the one answer that fits best. Which of the following statements regarding seed germination is NOT correct? O a. The first structure to emerge is the root O b. The root grows away from the light or down O c. Seeds can always germinate no matter what temperature and light conditions are d. There is no photosynthesis until green leaves emerge e. Enzymes inside the embryo break down nutrients during germinationarrow_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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY