Campbell Biology, Books a la Carte Edition & Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology
1st Edition
ISBN: 9780133936667
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 54, Problem 4TYU
According to the island equilibrium model, species richness would be greatest on an bland that is
(A) large and remote.
(B) small and remote.
(C) large and close to a mainland.
(D) small and close to a mainland.
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Which of the following statements best represents the productivityhypothesis regarding species richness?a. The larger the area, the greater the number of species that will befound there.b. Temperate regions have a lower species richness due to the lack oftime available for migration after the last Ice Age.c. The number of species in a particular community is directly relatedto the amount of available energy.d. As invertebrate productivity increases, species richness will increase.e. Species richness is not related to primary productivity.
According to the island equilibrium model, species richness would be greatest on an island that isa) large and remoteb) large and close to a mainlandc) small and close to a mainlandd) small and remote
Do resources have to be present in limited supplies for competition to shape species niches? Yes or No.
Chapter 54 Solutions
Campbell Biology, Books a la Carte Edition & Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology
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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- A keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?arrow_forwardA conservation organization has hired you to lead efforts to reduce the loss of biodiversity in a tropical country. Which of the following problems would you focus on first and why: habitat destruction and fragmentation, hunting and fishing activity, harvesting of wild species for commercial sale, or introduction of exotic organisms?arrow_forwardHow does community size influence the number of species it can support? What are uses of Rank-abundance curves? How does component species interactions restrict or enhance the presence of other species? What is a keystone specie? Give some examples. Difference between food web and food chainarrow_forward
- If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.arrow_forwardAs a field researcher interested in comparing communities in a stream habitat, what data will you need to collect if you are interested in comparing how species occurrence and abundance differ in different parts of the stream? Explainarrow_forwardWhich of the following could qualify as a bottom-up control on a grassland community? (A) limitation of plant biomass by rainfall amount, (B) effect of grazing intensity by bison on plant species diversity, (C) the effects of predation by wolves on herbivore density, (D) herbivory by moth larvae reducing abundances of certain plant species, (E) agricultural practices by humans eliminating all but one species of grass.arrow_forward
- Rabbits can eat many plants, but they prefer some plants over others. Assume that the rabbits in a grassland community containing many plant species prefer to eat a species of grass that happens to be a superior competitor. If the rabbits are removed from the region, predict whether relative species abundance will increase or decrease, and whether species richess will increase or decrease.arrow_forwardIn some marine habitats in New England, the population density of lobsters has been depleted due to heavy fishing. When this happens, it often follows that the diversity of species in the biological communities is reduced. Based on this observation, how would you characterize lobsters?   a keystone organism   a decomposer   a crustacean   a superior predator   a producer  The composition of a community refers to the   nutrients available in the soil.   type of succession that occurs locally.   sunlight available to drive the energy needed for metabolism.   extent vegetation covers the ground--a desert has low composition.   types of species adapted to living there.  Small fish sometimes swim very close to large predatory fishes such as sharks. There is no risk since the shark does not feed on these smaller fish. The small fish are able to eat the remains of prey such as seals that the shark rips apart when eating.…arrow_forwardQ1: Which of the following hypothetical islands would likely have the greatest species richness? Group of answer choices A) Not enough information given B) a small island far from the mainland C) a large island far from the mainland D) a large island near to the mainland E) a small island near to the mainland  Q2: Trophic cascades are often caused by Group of answer choices A) climate change B) pollution C) keystone species D) invasive species E) ecosystem engineers F) habitat lossarrow_forward
- Which of the following is the definition for species richness?  A. The number of species in a community.  B. The relative abundance and species richness in a community.  C. The number of dominant species in a community.  D. The proportion of a given species in the community.arrow_forwarda population of mice moves into a field in which secondary succession is occurring. What is the most likely reason the mouse population moved into this area?arrow_forwardA group of ecologists want to test if an industrial effluent affects the diversity of aquatic invertebrates in a river. To do this, they compare the community of aquatic invertebrates between two sites: one upstream of the effluent and one downstream of the effluent. Which variable should they calculate to compare the diversity of the two communities of invertebrates? The carrying capacity of the river  The net reproductive rate  The Shannon Index  The gross primary productivity of the river  The instantaneous rate of growtharrow_forward
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