Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
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
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
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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- 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
- The 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_forwardFire is a critically important, natural disturbance in many ecosystems. Describe some plant adaptations that allow plants to survive fires.arrow_forwardExplain four changes that occur as vegetative grass changes to reproduction phasearrow_forward
- When plants first moved on to land, they faced with a wide variety of new challenges. Two of these challenges include the risk of drying out and the ability to access/transport resources. Describe not just list 4 adaptations that allow plants to cope with these challenges, 2 for coping with drying out and 2 for coping with accessing/transporting resources.arrow_forwardPut the following 3 fictional plants in order from earliest to most recent according to their characteristics: A. The Terpad Plant: This plant reproduces using spores and has proper leaves and vascular tissue. B. The Feltris Plant: The Feltris plant lives in moist environments since it doesn't have any vascular tissue to maintain hydration throughout the plant. This plant has no roots either but has small root-like structures called rhizoids which help anchor them to the ground. Water is also required in order for fertilization. C. The Lancelot Plant: This plant can grow in either moist or dry environments, has true roots, stems and leaves and reproduces via seeds which develop within an ovary.arrow_forwardExamine different root systems in angiosperm plants, draw labelled diagram and provide important features. a. Tap root system b. Fibrous root system c. Adventitious root systemarrow_forward
- Compare and Contrast Monocot seeds and Dicot seedsarrow_forwardExplain what plant specific biological process can be researched with plants that have a free-living gametophyte stage in their life cycle and possible benefits of researching plants with a life cycle that has a dominant gametophytic phase.arrow_forwardWhich feature is characteristic of xerophytes (plants adapted to dry environments) to enhance photosynthetic efficiency? Group of answer choices Larger leaves Shallow root systems Thicker, more succulent leaves Rapid leaf sheddingarrow_forward
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