Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 14, Problem 9RQ
Which 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.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Which of the following are found in gymnosperms, as well as in angiosperms?
a.
Fruits
b.
Seeds
c.
Cones
d.
Flowers
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
Angiosperms are the most diverse group of plants in existence today. Which of the following plant structures do angiosperms possess that are not found in any earlier lineage of plant?
A. Fruits
B. Seeds
C. Pollen
Chapter 14 Solutions
Concepts of Biology
Ch. 14 - Figure 14.19 At what stage does the diploid zygote...Ch. 14 - Figure 14.26 If a flower lacked a megasporangium,...Ch. 14 - The land plants are probably descendants of which...Ch. 14 - The event that leads from the haploid stage to the...Ch. 14 - Moss is an example of which type of plant? a....Ch. 14 - Why do mosses grow well in the Arctic tundra? a....Ch. 14 - Which is the most diverse group of seedless...Ch. 14 - Which group are vascular plants? a. liverworts b....Ch. 14 - Which of the following traits characterizes...Ch. 14 - What adaptation do seed plants have in addition to...
Ch. 14 - Pollen grains develop in which structure? a. the...Ch. 14 - Corn develops from a seedling with a single...Ch. 14 - What adaptations do plants have that allow them to...Ch. 14 - What are the three classes of bryophytes?Ch. 14 - How did the development of a vascular system...Ch. 14 - What are the four modern-day groups of...Ch. 14 - Cycads are considered endangered species and their...Ch. 14 - What are the two structures that allow angiosperms...
Additional Science Textbook Solutions
Find more solutions based on key concepts
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity ...
College Physics
Match each of the following items with all the terms it applies to:
Human Physiology: An Integrated Approach (8th Edition)
Name the components (including muscles) of the thoracic cage. List the contents of the thorax.
Human Physiology: An Integrated Approach (7th Edition)
17. Anthropologists are interested in locating areas in Africa where fossils 4-8 million years old might be fou...
Campbell Biology: Concepts & Connections (8th Edition)
In a family with one autistic child the risk for another affected child is approximately 25 percent. This is th...
Concepts of Genetics (12th Edition)
Body, Heal Thyself The precision of mitotic cell division is essential for repairing damaged tissues like those...
Biology: Life on Earth with Physiology (11th Edition)
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
- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forwardWhich statement below is correct regarding the formation of the endosperm in angiosperms? O the endosperm is formed from the female gametophyte and is haploid O a single sperm nucleus fertilizes the egg nucleus to become the diploid zygote O a sperm nucleus forms both the zygote and the endosperm through double fertilization O a second sperm nucleus fuses with the two polar nuclei of the egg sac МacВook Pro G Search or type URL @ 2# $ & * 2 3 4 6 8 W E R Yarrow_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_forward
- The following traits are shared by some members of the ANA Grade and Magnoliids, EXCEPT: a. monosulcate pollen b. one seed cotyledon c. spiral arrangement of perianth d. absence of vessel in wood e. numerous, free carpels (apocarpous)arrow_forwardVegetative 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_forwardMost angiosperms incorporate the assistance of animals in their reproductive cycle. This is a major advancement that gave them an advantage over other plant lineages and helped them become the dominant type of plant on Earth today. Which of the following steps in the reproduction of angiosperms do animals assist with? Check all that apply. A. Seed dispersal B. Pollination C. Fertilizationarrow_forward
- What separates the gymnosperms from other seed plants?a. a vascular systemb. wind dispersion of pollenc. ovules not completely covered by the sporophyte at the time of pollinationd. fruits and flowersarrow_forwardHow are compound leaves distinguished from simple leaves?a. Compound leaves do not have axillary buds at the baseof leaflets.b. Compound leaves are smaller than simple leaves.c. Simple leaves are usually deciduous.d. Compound leaves are found only on pine trees.e. Simple leaves are found only in gymnosperms.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_forward
- Which of these is a feature not present in seedless plants that have contributed to the success of seed plants on land? a. Seeds have four layers of protective tissue, the seed coat, that improve survival by providing more protection from environmental stresses. b. The reduced gametophytes of seed plants are nurtured by sporophytes and protected from stress, such as drought conditions and UV radiation. c. Seed germination is solely mediated by water during episodes of heavy rain. d. Pollen grains, with walls containing sporopollenin, deter herbivores. Three unknown non-vascular plant species were collected by Biology 3 students. Which characters BEST discriminate them from one another? 1. protonema II. special organelles III. seta IV. calyptra V. capsule VI. stalk a. I,II,III b. I,III,V c. III, IV, V d. II,IV,VIarrow_forwardGive five plant examples each: A. Auxiliary or lateral buds B. Terminal or apical bud, C. accessory buds D. adventitious budsarrow_forwardIn a flower after fertilization, the following tissues are diploid: a. carpel, integuments, and megaspore mother cell. b. carpel, integuments, and megaspore. c. carpel, megaspore, and zygote. d. carpel, megaspore mother cell, and endosperm.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 College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY