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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Textbook Question
Chapter 52, Problem 15TYK
An experiment that removed a species from an area would enable an ecologist to test whether
- a. competition or predation from that species was limiting the local distribution of other species.
- b. dispersal ability was limiting the range of the species.
- c. abiotic factors were limiting the dispersal of the species.
- d. habitat selection behavior had limited the distribution of the species.
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Ecological dominants are
a. the most numerous or make up the most biomass within a community.
b. are species that may not be the most numerous within a community, but whose role is so significant that its absence would bring about considerable change.
c. species that are introduced into an area where they do not naturally occur.
d. the most important species on the planet.
This map shows the spread of the red fire ant after its introduction into the United States in Mobile, Alabama, in the 1930s: Which statement best explains the importance of interspecific relationships in the success of this invasive species?a. Ecosystems with more resources will support the red ant over the native ant
b. Invaded communities with higher species richness will allow the red ant to thrive
c. Communities with fewer feeding relationships are less resilient to change.
d. Native ants have a higher relative abundance compared to the invasive red ant.
Which statement about zero population growth isoclines of two competing species is true?
A. Species coexistence requires that the two isoclines cross.
B. The crossing of the two isoclines is a sufficient condition for species coexistence.
C. If the species coexist, they will each do so at a higher density than either would if placed alone.
D. Strongly competing species can only coexist if the two species have very different carrying capacities.
E. Coexistence will occur if the two isoclines are parallel.
Chapter 52 Solutions
Study Guide for Campbell Biology
Ch. 52 - Describe how mountains affect local climate with...Ch. 52 - Temperature and precipitation are two of the key...Ch. 52 - In the following table, indicate with a + or a ...Ch. 52 - Different marine environments can be classified on...Ch. 52 - Prob. 5IQCh. 52 - a. Define ecology. b. How does ecology relate to...Ch. 52 - a. What are biomes? b. What accounts for the...Ch. 52 - ______ desert A. broad-leaved deciduous trees B....Ch. 52 - ______ chaparral A. broad-leaved deciduous trees...Ch. 52 - ______ savanna A. broad-leaved deciduous trees B....
Ch. 52 - ______ northern coniferous forest A. broad-leaved...Ch. 52 - ______ temperate broadleaf forest A. broad-leaved...Ch. 52 - ______ temperate grassland A. broad-leaved...Ch. 52 - ______ tropical rain forest A. broad-leaved...Ch. 52 - _______ tundra A. broad-leaved deciduous trees B....Ch. 52 - Prob. 1TYKCh. 52 - Oceans and lakes have a moderating effect on the...Ch. 52 - The ample rainfall of the tropics and the arid...Ch. 52 - Which of the following would be most affected if...Ch. 52 - Which of the following statements reflects a...Ch. 52 - Prob. 6TYKCh. 52 - Which of the following biomes has the highest...Ch. 52 - Many plant species have adaptations for with the...Ch. 52 - The best way to explain how two communities can...Ch. 52 - Which of the following aquatic zones is...Ch. 52 - In which of the following biomes would you expect...Ch. 52 - Where would you find the coldest water in a lake...Ch. 52 - Upwellings in oceans a. support reef communities....Ch. 52 - Prob. 14TYKCh. 52 - An experiment that removed a species from an area...
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- A recent United Nations analysis report gathered data on declines in biodiversity across the world. Using the graphs provided, which statement shows an area of concern and is an alternative to the general hypothesis "Humans are responsible for a significant increase in the extinction rate among species in the world today as a result of damage caused to the environment"? A. Fertilizer use in developing countries should be encouraged to decrease the extinction rate B. Decreasing air pollution in the least developed countries would decrease species survival rate C. Protection of key biodiversity areas should be a priority for developed countries to lower the extinction rate D. Assisting developing countries with more sustainable methods of extraction of living biomass would increase species survival ratesarrow_forwardWhichstatement about organisms’ “niches” is false?a.The niche summarizes environmental factors influencing growth, survival,and reproduction of a species.b.The niche concept was developed by Joseph Grinnell and Charles Elton.c.The “fundamental” niche refers to physical, but notbiological, aspects of the environment.d.Interactions such as competition and parasitism may restrict the size ofan organism’s niche.e.In the laboratory, two species with identical niches are especially easyto maintain in a mixed culture.arrow_forwardWhy does the aquarium trade contribute to the introduction of nonnative species? a. Exotic species can escape or be released into local ecosystems. b. Aquarium owners do not always understand how ecosystems interact. c. Nonnative fish are shipped worldwide for aquariums. d. All of the above Please select the best answer from the choices provided A B C Darrow_forward
- Which of these is a true statement?a. Habitat loss is the most frequent cause of extinctions today.b. Exotic species are often introduced into ecosystems by accidental transport.c. Climate change may cause many extinctions but also expands the ranges of other species.d. Overexploitation of fisheries could lead to a complete collapse of the fishing industry.e. All of these statements are true.arrow_forwardStudies that demonstrate that species living in an ecological community change independently of one another in space and time a. indicate that the species arrived in the community at different times. b. indicate that the species’ realized niches are regulated by different aspects of the environment. c. suggest species interactions are the sole determinant of which species coexist in a community. d. None of the choices is correct.arrow_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
- By 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_forwardWhen an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the abovearrow_forwardA biologist is studying the way in which the environment is affecting the reproductive rates of a particular tree species, Acer saccharum, what type of ecology best describes this research? Group of answer choices a. Community b. Landscape c. Individual d. Population e. Ecosystemarrow_forward
- Which of the following methods will provide information to an ecologist about both the size and density of a population? a. mark and recapture b. mark and release c. quadrat d. life tablearrow_forwardIf you were to experimentally remove the snake from the community in the diagram below, and you found that frogs dramatically increased in number while most of the other species declined in number then you could conclude that the snake is..? PICTURE ATTACHED A. an introduced species B. a parasite C. keystone species D. co-evolved with the raccoon E. an example of bottom up controlarrow_forwardRonald Ross’s major contribution to the development of ecological science was… a. the creation of a mathematical expression to model the spread of the infectious disease Malaria b. the explanation how species composition changed over time in communities c. the description of human demographic patterns d. that unrestricted growth of populations was dampened by natural forces e. the creation of the logistic equationarrow_forward
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