Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 4MC
In which of the following is the gametophyte stage larger and more prominent than the sporophyte stage?
a. nonvascular plants
b. seed plants
c.
d. gymnosperms
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Which of the following is false?
A. Oak trees have flowers
B. Gymnosperms make pollen
C. Ferns have seeds
D. Corn plants have rubisco
Companion cells are unique to:A. Bryophytes B. PteridophytesC. Angiosperms D. Gymnosperms
Pollinators are attracted by the chemicals secreted by plants and its flowers, these pollinators are greatly needed for what types of plants?
a. Gymnosperms
b.Angiosperms
c. Ferns
d. Bryophytes
*Choose only one answer
Chapter 22 Solutions
Biology: Life on Earth (11th Edition)
Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Prob. 2MCCh. 22 - Prob. 3MCCh. 22 - 4. In which of the following is the gametophyte...Ch. 22 - Prob. 5MCCh. 22 - 1. Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - 3. Seedless vascular plants must reproduce when...Ch. 22 - 4. Three groups of nonvascular plants are _______,...Ch. 22 - 1. What is meant by “alternation of generations”?...
Ch. 22 - 2. Explain the evolutionary changes in plant...Ch. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - Prob. 4RQCh. 22 - List the structural adaptations necessary for the...Ch. 22 - The number of species of flowering plants is...Ch. 22 - List the adaptations of gymnosperms that have...Ch. 22 - What is a pollen grain? What role has it played in...Ch. 22 - The majority of all plants are seed plants. What...Ch. 22 - 1. Prior to the development of synthetic drugs,...Ch. 22 - 2. Only a few hundred of the more than 200,000...
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- Which 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_forwardThe land plants are probably descendants of which of these groups? a. green algae b. red algae c. brown algae d. angiospermsarrow_forward
- Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely: a. a gymnosperm b. a monocot c. a eudicot d. a basal angiospermarrow_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_forwardIn 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_forward
- Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forwardWhich structure would differentiate an angiosperm from a gymnosperm? A. stamen B. ovule C. pollen D. gametophytearrow_forwardWhich characteristic differentiates an angiosperm from a fern? A. the alternation of generations B. the presence of cotyledons C. the presence of vascular tissue D. the alternation of sporophytesarrow_forward
- You find and undescribed plant. You observe that the plant has a sporophyte that grows from a larger, longer lived gametophyte. The plant produces spores as its primary mode of dispersal. You conclude that the plant is a _______. A. seedless vascular plant B. nonvascular plant C. gymnosperm D. fernarrow_forwardGymnosperm A) How are the seeds of pine trees dispersed away from the parent plant? b) Suggest an advantage of dispersing seeds away from parent plants.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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