Campbell Biology Custom Stony Brook 10 Th Edition
10th Edition
ISBN: 9781269870818
Author: Reece Urry Cain Wasserman Minorsky Jackson
Publisher: PEARSON
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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 Custom Stony Brook 10 Th Edition
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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- Use the Shannon-Weiner Diversity equation to calculate diversity (H). Which treatment (predator enclosure, no predator enclosure) is more diverse? Why do you think this is the case? Predator Enclosure: Species Number A 5 B 1 C 4 D 2 E 12 No Predator Enclosure: Species Number A 7 B 9 C 17 D 3arrow_forwardYou are comparing species diversity between four different habitats: which of the following habitats is the most diverse? Habitat A has 15 species total, with approximately equal representation across all species Habitat B has 15 species total, and is dominated by two of its fifteen species Habitat C has 3 species total, with approximately equal representation across all species Habitat D has 3 species total, and is dominated by one of its three species Habitats A and B are equally diversearrow_forwardEcology 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_forward
- Data shown in this figure describes the species richness of mammals and birds among a variety of Sky islands. Which of the following best fits the correlations represented in the graphs? 1) number of individuals increases with area and decreases with isolation 2) species richness increases with area and decreases with isolation 3) species diversity varies depending on area and isolation? Follow up question which model of species distribution and abundance does this data support? 1) Species area relationship 2) species accumulation curve 3) island-biogeography 4) rapoport’s rulearrow_forwardDiscuss the slope of a rank abundance curve that vary with increasing species evenness?arrow_forwardUsing the netlogo run the sheep-wolves-grass model variation, but set INITIAL-NUMBER-WOLVES to 0. This gives a stable ecosystem with only sheep and grass. Why might this be stable while the variation with only sheep and wolves is not?arrow_forward
- Choose one of the following factors and explain how and why species richness varies with it: temporal variation, latitude, succession. Give a specific example.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_forwardWhat do you mean lay species diversity? Name two measures of species diversity?arrow_forward
- a community has 9 species and 12 links. what is the connectivity for this community? the correct answer is 0.15. why?arrow_forwardHow would you describe the slope ofa rank-abundance curve that vary with increasing species evenness? DISCUSSarrow_forwardDraw a graph showing the growth of the species’ populations with time: put all species’ populations on a single figure. Extend the y-axis to 180. Label the axes and provide a suitable legend.arrow_forward
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