Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 22, Problem 6RQ
Summary Introduction
To determine:
The number of species of flowering plants is greater than the number of species in the rest of the plant kingdom combined and explain the feature that is responsible for the enormous success of
Introduction:
The angiosperms are the vascular seed plants in which a fertilized egg grows up into a seed that is enclosed in a hollow ovary. The ovary itself is enclosed by a flower. They have a structure called fruit in which the development of seeds takes place.
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Chapter 22 Solutions
Biology
Ch. 22.1 - describe the features that distinguish plants from...Ch. 22.2 - In stark contrast to the stinking corpse lily and...Ch. 22.2 - describe the probable ancestor of plants?Ch. 22.2 - identify the closest living relatives of plants...Ch. 22.2 - describe the adaptations that equip plants for...Ch. 22.3 - Why are all nonvascular plants short?Ch. 22.3 - In each of these photos, is the pictured structure...Ch. 22.3 - Can you think of some adaptations that help...Ch. 22.3 - What are the advantages and disadvantages of wind...Ch. 22.3 - Which Plant Provide Us with the Most Food?
Ch. 22.3 - The stinking corpse lily harms species it...Ch. 22.3 - Prob. 1CYLCh. 22.3 - describe the major plant taxonomic groups and...Ch. 22.3 - describe the key steps in the life cycles of...Ch. 22.4 - In the initial trials with Argemone mexicana in...Ch. 22.4 - describe some of the effects that plants have on...Ch. 22.4 - Perhaps surprisingly, a parasitic lifestyle is not...Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Which of the following are not nonvascular plants?...Ch. 22 - Which of the following structures is present in...Ch. 22 - In which of the following is the gametophyte stage...Ch. 22 - Prob. 5MCCh. 22 - Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - Seedless vascular plants must reproduce when...Ch. 22 - Three groups of nonvascular plants are __________,...Ch. 22 - What is meant by alternation of generations? What...Ch. 22 - Prob. 2RQCh. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - From which algal group did green plants probably...Ch. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Prob. 1ACCh. 22 - Prob. 2AC
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- 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.arrow_forwardWhich of the following statements is false? a. Ferns produce seeds inside sori. b. Conifers do not produce fruits. c. Both gymnosperms and angiosperms produce pollen. d. Only angiosperms produce flowersarrow_forwardWhat adaptation do seed plants have in addition to the seed that is not found in seedless plants? a. gametophytes b. vascular tissue c. pollen d. chlorophyllarrow_forward
- 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_forwardMost extant species of gymnosperms are now considered as "living fossils", why is that so? Give some insights on why gymnosperms were not able to dominate land despite of having seeds.arrow_forwardA slight change in a plant species’ flower structure might favor a different pollinator. How might such a change in flower structure lead to a new plant species? How does coevolution between flowering plants and animal pollinators help explain the huge diversity of angiosperms?arrow_forward
- Gymnosperms were also the first plants to develop pollen . Which of the following statements correctly describes one of the advantages of pollen ?arrow_forwardAngiosperm are divided into two classes which two class are belonged in their?arrow_forwardthe diversity of the angiosperms is partly attribute to the development o fruit and seed. describe the functions of both and explain why these structures conferred an advantage to angiospermsarrow_forward
- Most 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_forwardMost flowers contain both male and female reproductive structures, in contrast to the cones of gymnosperms, which are either male or female. Explain how bisexual flowers might be an advantageous evolutionaryadaptation to the flowering plants that possess them.arrow_forwardAngiosperms ( flower bearing ) plants developed after gymnosperms ( cone bearing ) plants during the Mesozoic era Which of the following is a benefit to plants developing the ability to have flowers over cones ? ANSWER CHOICES ARE IN THE PHOTO. thanks.arrow_forward
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