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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Textbook Question
Chapter 41.3, Problem 1CC
Why do high and low levels of disturbance usually reduce species diversity? Why does an intermediate level of disturbance promote species diversity?
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Why do high and low levels of disturbance usually reducespecies diversity? Why does an intermediate level ofdisturbance promote species diversity?
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Chapter 41 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 41.1 - Explain how interspecific competition, predation,...Ch. 41.1 - According to the principle of competitive...Ch. 41.1 - MAKE CONNECTIONS Figure 22.13 illustrates how a...Ch. 41.2 - What two components contribute to species...Ch. 41.2 - How is a food chain different from a food web?Ch. 41.2 - WHAT IF? Consider a grassland with five trophic...Ch. 41.2 - MAKE CONNECTIONS Rising atmospheric CO2 levels...Ch. 41.3 - Why do high and low levels of disturbance usually...Ch. 41.3 - During succession, how might the early species...Ch. 41.3 - WHAT IF? Most prairies experience regular fires,...
Ch. 41.4 - Describe two hypotheses that explain why species...Ch. 41.4 - Describe how an islands size and distance from the...Ch. 41.4 - WHAT IF? Based on MacArthur and Wilsons island...Ch. 41.5 - What are pathogens?Ch. 41.5 - Prob. 2CCCh. 41 - The feeding relationships among the species in a...Ch. 41 - Prob. 2TYUCh. 41 - Prob. 3TYUCh. 41 - Community 1 contains 100 individuals distributed...Ch. 41 - Prob. 5TYUCh. 41 - SCIENTIFIC INQUIRY An ecologist studying plants in...Ch. 41 - FOCUS ON EVOLUTION Explain why adaptations of...Ch. 41 - FOCUS ON INFORMATION In Bateslan mimicry, a...Ch. 41 - SYNTHESIZE YOUR KNOWLEDGE Describe two types of...
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- What is the impact of invasive aquatic species to the genetic diversity of wild species?arrow_forwardHow can investment in a large, charismatic species also favor the conservation of other species?arrow_forwardHow is the species richness of a community related to the environmental stress of a habitat?arrow_forward
- What limiting factors exist between regional species pools and local communities? Name all 3.arrow_forwardHow can the fragmentation of a landscape have both positive and negative effects on biodiversity?arrow_forwardHow does the ratio of the proportion of edge to interior habitat change with increasing patch size? How does species diversity change with increasing patch size?arrow_forward
- What is the relationship between a pioneer species and primary succession? A pioneer species is an invasive species that causes areas to experience primary succession. There is not a relationship between a pioneer species and primary succession. The pioneer species only occurs in areas of secondary succession. A pioneer species is important in an area of primary succession because it can grow and thrive in areas where most other species cannot. A pioneer species only inhabits areas of primary succession.arrow_forwardIs it possible that some species function together as an integrated, holistic community, whereas other species at the same locality behave more individualistically? If so, what factors might determine which species function in which way?arrow_forwardWhich types of species are most vulnerable to extinction?arrow_forward
- Using the meta-community concept, is it still possible to conserve species (communities) that are greatly affected by habitat fragmentation? Suggest one possible way to effectively conserve declining diversity.arrow_forwardWhy do ecologists consider both species richness and species evenness when they quantify species diversity?arrow_forwardWhat is happening to the forest of Madagascar and what is the outcome? Why is saving the biodiversity of Madagascar so important? Why does Australia have such an unusual variety of spiders? What are five reasons species are becoming extinct? What does it mean for a species to be extinct? Give an example How do invasive species travel or spread to a different ecosystem? Give an example. List and describe five examples of declining biodiversity five actions that individuals can do to help create and support biodiversity?arrow_forward
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