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 54, Problem 12TYK
Invasive species often reach a large biomass because
- a. they are better competitors than native species.
- b. they are usually producers and not top predators.
- c. they often lack natural predators or pathogens.
- d. their superior ability to disperse enables them to spread to new niches.
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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 following approaches would be the most effective way to reduce greenhouse carbon dioxide? a. Increase waste deposition into the deep ocean. b. Plant more environmentally-suitable plants. c. Increase use of fuel sources that do not produce carbon dioxide as a by-product. d. Decrease livestock agriculture.arrow_forwardA limiting resource does all the following except that it (a) tends to restrict the ecological niche of a species (b) is in short supply relative to a species need for it (c) limits the presence of a species in a given community (d) results in an intermediate disturbance (e) may be limiting for only part of an organisms life cyclearrow_forwardThe first species to live on new land, such as that formed from volcanic lava, are called_________. a. climax community b. keystone species c. foundation species d. pioneer speciesarrow_forward
- The _______________ signifies that species richness is greater where two communities meet than at the center of either community. (a) edge effect (b) fundamental niche (c) character displacement (d) realized niche (e) limiting resourcearrow_forwardDescribe what happens to an ecosystem when a keystone species is removed.arrow_forwardThe maximum growth rate characteristic of a species is called its _________. a. limit b. carrying capacity c. biotic potential d. exponential growth patternarrow_forward
- The producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonarrow_forwardWhich of the following best describes a keystone species? a. An organism, whose introduction causes or is likely to cause environmental harm b. An organism, who if removed, the entire ecosystem changes. c. Can signal a change in the biological condition of a particular ecosystem and diagnose the health of that ecosystem d. Can indirectly protect several other species in the same habitatarrow_forwardThe ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called ________. a. resistance b. restoration c. reformation d. resiliencearrow_forward
- A keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?arrow_forwardTo be considered invasive, a species would likely have population growth rates (r) in the introduced range of _______________. A. r > 0 B. r = 0 C. r < 0arrow_forwardAccording to the Enemy Release Hypothesis: a. Predators and pathogens experience population increase when invasive species become extinct b. Invasive species allow other species in the habitat to escape their normal enemies c. Predators and pathogens have significantly greater ability to invade other habitats than any other organisms d. Invasive species perform well in foreign habitats as they because not face their normal enemies e. Invasive species replace the native enemies of resident speciesarrow_forward
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