Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 22, Problem 2RQ
Summary Introduction
To explain:
The evolutionary changes in the plant reproduction that are adapted by plants to increasingly dry environments.
Introduction:
Evolution is the change in the characteristic feature of species over several generations. Some evolutionary characteristic features are also adapted by plants to survive in dry environments
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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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- Discuss the role of phytohormones, fertilizers and pesticides, and genetic engineering in the development and growth of plants. Describe how the environment has a significant impact in plant growth and development.arrow_forwardDescribe evolutionary trends in the life cycles of plants.Emphasize the relative sizes of the gametophyte andsporophyte.arrow_forwardCompare and contrast the development of monocot and eudicot leaves.arrow_forward
- Explain why seedless vascular plants are not considered to be fully successful terrestrial plants even though they se widespread throughout the planet and contain vascular tissues for transporting materialsarrow_forwardExplain how the sunflower plant has is adapted to fit its current environment and how climate change could affect that adaptationarrow_forwardDiscuss some environmental challenges of living on land and describe how several plant adaptations meet these challenges.arrow_forward
- i) list TWO adaptations that show that the plant conserves water.ii) Photosynthetic cells produce starch and may be stored. Describe how one may test for the presence of starch on a piece of potato tissue. iii) Give TWO characteristics of monocotyledonous plants. d. The transition of plants from an aquatic environment to a terrestrial one has broughtabout many evolutionary adaptations for plants to survive on land. Give ONE adaptationfor each of the following divisions:i) Mosses: ii) Gymnosperms.arrow_forwardDiscuss the adaptations that have enabled flowering plants to overcome the following problems associated with life on land.* The absence of an aquatic environment for reproduction.* The absence of an aquatic environment to support the plant body.* Dehydration of the plant.arrow_forwardIdentify three major functions of roots. Describe two types of specialized stems. What is each type of stem specialized for? Discuss the main parts of an angiosperm leaf. Predict how the stem of a desert plant might be specialized for its environment. Contrast a taproot system with a fibrous root system. Relate leaf variation to environmental variation.arrow_forward
- Compare and contrast the plant alternation-of-generations life cyclewith the human life cycle.arrow_forwardThe rapid turgor movements of the sensitive plant (Mimosa pudica) are rare in the Plant Kingdom. If all plants evolved such movements, would the phenomenon have possible survival value or other value to the plants? Explain.arrow_forwardTo explain the increase in mass of the light-grown plants, identify one inorganic source of new plant mass and connect it to the cellular process underlying the increase in mass.arrow_forward
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