BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 3RQ
Describe evolutionary trends in the life cycles of plants. Emphasize the relative sizes of the gametophyte and sporophyte.
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Describe evolutionary trends in the life cycles of plants.Emphasize the relative sizes of the gametophyte andsporophyte.
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Chapter 22 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
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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- Draw a generalized pine tree life cycle and identify the following structures: male and female gametophytes, pollen grain, integuments, archegonium, egg, embryo, and sporophyte.arrow_forwardDiscuss the life cycles of various plants.arrow_forwardDescribe the reproductive adaptations of plants.arrow_forward
- Draw the gametophyte and sporophyte stage of each representatives of nonvascular plants. Label the parts. Liverworts: Hornworts:arrow_forwardSketch the following structures: cotyledons of pine nuts, embryo of pine nuts, root radicle of pine nuts, megagametophyte of pine nuts, seed coat of pine nuts.arrow_forwardDiagram the relationship between the sporophyteand gametophyte generations in bryophytes, ferns,gymnosperms, and angiosperms. Show the relative sizesand physical interactions (if any) of the two generations.arrow_forward
- In tabular form, differentiate the differences in morphology of monocot and dicot fruits.arrow_forwardIdentify four derived traits that distinguish plants from charophyte green algae and facilitate life on land. Explain.arrow_forwardDescribe the fern sori and Describe the fern gametophyte.arrow_forward
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