Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 26, Problem 8TYU
FOCUS ON EVOLUTION
The history of life has been punctuated by several mass extinctions. For example, the impact of a meteorite may have wiped out most of the dinosaurs and many forms of marine life at the end of the Cretaceous period (see Figure 23.12). Fossils indicate that plants were less severely affected by this mass extinction. What adaptations may have enabled plants to withstand this disaster better than animals?
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EVOLUTION CONNECTION The history of life has beenpunctuated by several mass extinctions. For example, theimpact of a meteorite may have wiped out most of thedinosaurs and many forms of marine life at the end of theCretaceous period (see Concept 25.4). Fossils indicate thatplants were less severely affected by this mass extinction.What adaptations may have enabled plants to withstandthis disaster better than animals?
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Chapter 26 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 26.1 - Why do researchers identify charophytes rather...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.1 - WHAT IF? What would the human life cycle be like...Ch. 26.2 - Prob. 1CCCh. 26.2 - Describe the importance of mycorrhizae, both today...Ch. 26.2 - MAKE CONNECTIONS Review Figures 8 .3 and 8.5. If a...Ch. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - MAKE CONNECTIONS Monilophytes and seed plants both...
Ch. 26.4 - What features not present in seedless plants have...Ch. 26.4 - Explain why Darwin called the origin of...Ch. 26.4 - MAKE CONNECTIONS Suppose the Bennettitales and...Ch. 26.5 - Prob. 1CCCh. 26.5 - Prob. 2CCCh. 26.5 - MAKE CONNECTIONS Figure 1.9 illustrates the...Ch. 26.5 - Prob. 4CCCh. 26 - Prob. 1TYUCh. 26 - Which of the following characteristics of plants...Ch. 26 - Prob. 3TYUCh. 26 - Prob. 4TYUCh. 26 - Prob. 5TYUCh. 26 - DRAW IT Use the letters a-d to label where on the...Ch. 26 - SCIENTIFIC INQUIRY INTERPRET THE DATA The grass...Ch. 26 - FOCUS ON EVOLUTION The history of life has been...Ch. 26 - FOCUS ON INTERACTIONS Giant lycophyte trees of...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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- Test Your Understanding Know and Comprehend 7. A simple pistil consists of a single (a) calyx (b) carpel (c) ovule (d) filament (e) petalarrow_forwardApply Evolutionary Thinking A variety of structural features of land plants reflect the conflicting demands for conserving water and taking in carbon dioxide for photosynthesis. Identify at least four fundamental structural adaptations that help resolve this dilemma and explain how each one contributes to a land plants survival.arrow_forwardTest Your Understanding Know and Comprehend 1. Seed plants lack which of the following structure(s)? (a) ovules surrounded by integuments (b) microspores and megaspores (c) vascular tissues (d) a large, nutritionally independent sporophyte (e) a large, nutritionally independent gametophytearrow_forward
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- thinking about the evolution of life on earth, why do you think plantsexisted before animal life and how are the two life forms connected today that supportseach other’s survival? Be specific. (hint: tie in Aerobic Respiration and Photosynthesis)arrow_forwardI am studying a plant. The sporophyte is the physically largest phase of this plant’s life cycle. This plant is a _____. Group of answer choices a fern It could be a fern, a pine tree or a rose bush. a rose bush a moss a pine treearrow_forwardTRUE OR FALSE 1. Vascular plants evolved to have the apomorphic characteristics that enabled them to grow with greater height and thrive with efficiency in sustaining more complex structures. 2. One evident apomorphy evolved in vascular plants is the establishment of true leaves which is characterized by the incorporation of the vascular system.arrow_forward
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