Campbell Biology with Mastering Biology for University of South Carolina
10th Edition
ISBN: 9781269866286
Author: Reece
Publisher: PEARSON C
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Chapter 54, Problem 54.2CR
Based on indexes such as Shannon diversity, is a community of higher species richness always more diverse than a community of lower species richness? Explain.
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Chapter 54 Solutions
Campbell Biology with Mastering Biology for University of South Carolina
Ch. 54.1 - Explain how competition, predation, and mutualism...Ch. 54.1 - According to the principle of competitive...Ch. 54.1 - Prob. 3CCCh. 54.2 - What two components contribute to species...Ch. 54.2 - How is a food chain different from a food web?Ch. 54.2 - Prob. 3CCCh. 54.3 - Why do high and low levels of disturbance usually...Ch. 54.3 - Prob. 2CCCh. 54.3 - WHAT IF? Most prairies experience regular fires,...Ch. 54.4 - Describe two hypotheses that explain why species...
Ch. 54.4 - Prob. 2CCCh. 54.4 - WHAT IF? Based on MacArthur and Wilson's island...Ch. 54.5 - What are pathogens?Ch. 54.5 - WHAT IF? Rabies, a viral disease in mammals, is...Ch. 54 - Prob. 54.1CRCh. 54 - Based on indexes such as Shannon diversity, is a...Ch. 54 - Is the disturbance pictured in figure 54.25 more...Ch. 54 - How have periods of glaciation influenced...Ch. 54 - Prob. 54.5CRCh. 54 - Prob. 1TYUCh. 54 - The principle of competitive exclusion states that...Ch. 54 - Based on the intermediate disturbance hypothesis,...Ch. 54 - According to the island equilibrium model, species...Ch. 54 - Prob. 5TYUCh. 54 - Prob. 6TYUCh. 54 - Prob. 7TYUCh. 54 - The most plausible hypothesis to explain why...Ch. 54 - Community 1 contains 100 individuals distributed...Ch. 54 - Prob. 10TYUCh. 54 - EVOLUTION CONNECTION Explain why adaptations of...Ch. 54 - Prob. 12TYUCh. 54 - WRITE ABOUT A THEME: INTERACTIONS In Batesian...Ch. 54 - Prob. 14TYU
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- Describe a hypothetical three community with high species richness but low species evennessarrow_forwardWhat single environmental factor is most likely to shift the geographic ranges of many species, thus altering regional patterns of diversity? Give reasons for your answer.arrow_forwardIdentify the Shannon diversity index in the two hypothetical communities below. Which of the two communities is more diverse? Round off your answer to the nearest hundredth Species A Community A B Community B A 12 5 B 1 5 C 3 3 D 4 7arrow_forward
- Ecology and Biology: Shannon Diversity Index: Definition & Example The Shannon Diversity Index (sometimes called the Shannon-Wiener Index) is a way to measure the diversity of species in a community. Denoted as H, this index is calculated as: H = -Σpi * ln(pi) where: Σ: A Greek symbol that means “sum” ln: Natural log pi: The proportion of the entire community made up of species i The higher the value of H, the higher the diversity of species in a particular community. The lower the value of H, the lower the diversity. A value of H = 0 indicates a community that only has one species. The Shannon Equitability Index is a way to measure the evenness of species in a community. The term “evenness” simply refers to how similar the abundances of different species are in the community. Denoted as EH, this index is calculated as: EH = H / ln(S) where: H: The Shannon Diversity Index S: The total number of unique species What is the Shannon diversity index value for this community? What…arrow_forwardWhat two components contribute to species diversity?Explain how two communities with the same numberof species can differ in species diversity.arrow_forwardUsing the theory of island biogeography, why do we expect the number of species on an island to reach equilibrium?arrow_forward
- SUBJECT : Biology - Ecology How would you describe the slope of a rank-abundance curve that vary with increasing species evenness?arrow_forwardWhich community would be expected to have the highest species richness? Group of answer choices A community that inhabits a small geographic area near the poles. A community that inhabits a small geographic area near the equator. A community that inhabits a large geographic area area near the poles. A community that inhabits a large geographic area near the equator.arrow_forwardBetween La Palma and Lanzarote, which island would be expected to have a greater number of species? In your discussion of why, focus on the primary difference between the islands (size or distance from the mainland) A) La palma b) Lanzarote and why?arrow_forward
- Provide an sufficient explanation as to how a positive interspecific distribution-abundance relationship occurs.arrow_forwardUsing 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_forwardUsing island biogeography theory, on which island would you expect to find a greater number of species A small island of a large island (both, the same distance from the mainland)? A 5km squared island from the mainland, or a 5 km squared island closer to the mainlandarrow_forward
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