Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 54, Problem 10TYK
Ecologists survey the tree species in two forest plots. Plot 1 has six different species, and 95% of all trees belong to just one species. Plot 2 has five different species, each of which is represented by approximately 20% of the trees. Compared with plot 1, plot 2 has
- a. higher species richness.
- b. greater species diversity.
- c. lower species richness.
- d. Both b and c are correct.
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Chapter 54 Solutions
Study Guide for Campbell Biology
Ch. 54 - When two spiny mouse species coexist, Acomys...Ch. 54 - Name the type of mimicry described in each of the...Ch. 54 - Name and give examples of the interspecific...Ch. 54 - Tide pool 1 has three species of sea urchins with...Ch. 54 - Prob. 5IQCh. 54 - Describe the effects of the alder stage on soil...Ch. 54 - Why would the fact that tropical communities are...Ch. 54 - a. How do the rates of immigration and extinction...Ch. 54 - Why are ecologists trapping and testing migrating...Ch. 54 - Complete the following concept map to organize...
Ch. 54 - Community ecologists develop models or hypotheses...Ch. 54 - Two allopatric species of Galapagos finches have...Ch. 54 - The greater blue-ringed octopus (Hapalochlaena...Ch. 54 - Two other species of octopus (H. maculosa and H....Ch. 54 - Two species, A and B, occupy adjoining...Ch. 54 - Two shops in the same block are selling coffee and...Ch. 54 - A palatable (good-tasting) prey species may defend...Ch. 54 - Most humans are host to mites of the genus Demodex...Ch. 54 - The species richness of a community refers to the...Ch. 54 - You have a friend who is a strict vegan; that is,...Ch. 54 - Ecologists survey the tree species in two forest...Ch. 54 - When one species was removed from a tide pool, the...Ch. 54 - Invasive species often reach a large biomass...Ch. 54 - Why do most food chains consist of only three to...Ch. 54 - According to the top-down (trophic cascade) model...Ch. 54 - During succession, inhibition by early species a....Ch. 54 - According to the nonequilibrium model, a. chance...Ch. 54 - Which of the following shows a mismatch between...Ch. 54 - Prob. 18TYKCh. 54 - A major explanation for the decline in species...Ch. 54 - Prob. 20TYK
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- Which of the scenarios below illustrate(s) a trade off relating to functional diversity and life history traits? Select all that apply A- The C3 photosynthetic pathway is more energy efficient than C4 and CAM, but less water efficient. B-Plants that produce large seeds generally produce very few, while plants that produce small seeds generally produce many of them. C- Indices of species diversity rely both on species richness and species evenness, but not on species relatedness D- Endothermic animals are better able to maintain their preferred body temperature than ectothermic animals, but expend a large amount of metabolic energy to do so. E- Organisms that specialize on a single food source may use that resource more efficiently than generalists, but risk starvation if unable to find their particular food source.arrow_forwardNow think about the diversity index you calculated in the diversity and succession labs: a value calculated of 10 in Habitat A and 5 in Habitat B would indicate: Habitat A likely has higher species richness and lower species evenness than Habitat B Habitat A likely has lower species richness and lower species evenness than Habitat B Habitat A likely has higher species richness and higher species evenness than Habitat B Habitat A likely has higher species richness and the same species evenness as Habitat Barrow_forwardIn landscape ecology, the matrix is the area surrounding a habitat patch. The matrix can affect a species living in the habitat patch by altering: O A. Dispersal between patches B. The availability of resources C. The abiotic environment in patches D. Our appreciation of Keanu Reeves' acting skills E. A, B and C are correctarrow_forward
- Which of the following is based on the interactions of species with their abiotic environment?a. genetic diversityb. landscape diversityc. ecosystem diversityd. biocultural diversitye. None of these are correct.arrow_forwardIdentify the following parameter that is not used to estimate a plant population by quadrat method. A. Mean number of individuals per unit area. B. Number of quadrats in which a species occurs. C. The distance between each species in a sampled area. D. Percentage of ground covered by a species within a sampled area.arrow_forwardThe increased biodiversity of the Sonoran Desert is a product of the presence of both High RGR and High WUE species. What is the reason we find both types of plants and not just one or the other? Question options: a. Different heights allow species to grow fast or slow in different light environments. b. The plants are always found growing together suggesting they have a mutualistic interaction. c. Different species take advantage of different kinds of rain storms that happen irregularly. d. One type of species facilitates the growth of the other by improving the soil conditions.arrow_forward
- In a forest, fireweed only grows in clearings formed by a tree falling over. If fireweed grows densely and uniformly in each clearing how would you describe the overall distribution of fireweed in a forest with many such clearings and forest empty of fireweed between them? Group of answer choices a. exponential b. logistic c. clumped d. overdispersed e. randomarrow_forwardInsect communities were surveyed in either the high or low canopy of a tropical forest. The community data are displayed in the table below. In which habitat was there higher species diversity? Low Canopy_ High Canopy Species Abundance P, P, In P, Species Abundance Pi P, In P 1 45 0.45 -0.36 1 50 0.50 -0.35 35 0.35 -0.37 2 25 0.25 - 0.35 20 0.20 -0.32 3 25 0.25 - 0.35 Total 3 100 1.0 3 100 1.0 O a. cannot be determined with the available data O b. high canopy O c. high and low canopy have the same species diversity O d. low canopy has a higher species richness Oe. low canopyarrow_forwardThe number of different classes that are represented in a given community. The effective number of classes refers to the number of equally abundant classes needed to obtain the same mean proportional classes abundance as that observed in the dataset of interest. A Ecosystem Biodiversity B Species Diversity c) Genetic Diversity D Classes Diversityarrow_forward
- The theory of Island Biogeography predicts species richness based on __ and __ rates.a. growth and ageb. immigration and extinctionc. beta and alpha diversityd. none of thesearrow_forwardHow can you use your data to discourage or promote logging of natural forest for human consumption? If logging activities cause decline of species diversity, what alternatives do you propose to maintain the tree species diversity in natural forests?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_forward
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