Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 41, Problem 4TYU
Community 1 contains 100 individuals distributed among four species: 5A, 5B, 85C, and 5D Community 2 contains 100 individuals distributed among three species: 30A, 40B, and 30C. Calculate the Shannon diversity index (H) for each community. Identify which community is more diverse.
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Chapter 41 Solutions
Campbell Biology in Focus
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 - Prob. 9TYU
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- Which of the following is true about a community's species diversity? If a community has species richness, it automatically means it also has species diversity. A community can only have either species richness or species diversity, but not both A community can have either species richness or species diversity, or both. None of the abovearrow_forwardHow is the Biodiversity Index calculated? Total number of individuals x number of species Total number of individuals - number of species Number of species divided by total number of individuals Number of species + total number of individualsarrow_forwardChris is studying a pond on a nearby farm. If he is studying the distribution of organisms across the pond ecosystem, what kind of diversity is he looking for? species diversity Simpson's Index species evenness species richnessarrow_forward
- Which 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_forwardWhat is the Simpson diversity index for the folllowing area based on the chart what is the species richness value for the same area?arrow_forwardCommunity 1 is formed of species A, B, C, D, and E. Community 2 is formed of species A, C, F, G, H. What is beta diversity, as estimated using the Jaccard indexarrow_forward
- You have been researching the biodiversity of different species of lizards in the Florida Everglades. You select a one square acre plot of land and begin tagging and counting the different reptiles found in that area over 6 months. After 6 months of research, you collected the following data: Species Count Green Anole 16 Brown Anole 72 American Alligator 3 Burmese python 2 Corn Snake 9 Eastern Glass Lizard 8 Use the blanks below to answer the following questions: 1. What is the biodiversity index of the one acre lot observed? 2. If you collected the same information for a second square acre 10 miles away and determined that acre to have a biodiversity index of 0.37, would you consider the first area to be biologically diverse and why or why not? 3. What do you think is suppressing biodiversity in the first acre counted? a b carrow_forwardThe table below shows the number of individuals from 4 species of frogs sampled in a pond. What is the Shannon Index this community? Round your answer to the second decimal. species A species B species C species D 89 47 75 23arrow_forwardBased on the images provided, the distribution of animals seen is dependent on which one of the following? Explain your choice. species population size community ecology spatial scale immigration and emigrationarrow_forward
- Which one of the following statements is FALSE? Beta diversity is low when two ecosystems share the similar species and respective abundance. An intelligent meander records date, time, location and a list of species. Beta diversity or differentiation diversity compares alpha diversity among several communities. Species richness is the total species abundance in an ecosystem. Inventory diversity can be defined by alpha diversity, which is the number of species in a local forest stand.arrow_forwardBy a currently favored hypothesis, species richness of a community is greatest when physical disturbances are of_____ intensity and frequency. a. low c. high b. intermediate d. variablearrow_forwardCreate four different trading cards. Include all of the provided information outlined below. For each card: One Endangered Species, One Threatened Species, One Extinct Species Species name Status Distribution Description of actions leading to decline Recovery planarrow_forward
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