Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 44.4, Problem 1TYK
Which is part of the original MacArthur-Wilson theory of island biogeography?
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- Island size influences immigration rates.
- Distance from source pool influences extinction rates.
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Chapter 44 Solutions
Principles of Biology
Ch. 44.1 - Prob. 1CCCh. 44.1 - Prob. 1TYKCh. 44.1 - Lake Baikal in Siberia is an ancient, unglaciated...Ch. 44.1 - Prob. 3TYKCh. 44.2 - Prob. 1TYKCh. 44.2 - Prob. 2TYKCh. 44.3 - Why might ecologists think of walking thecoastline...Ch. 44.3 - Prob. 2CCCh. 44.3 - Which of the following are examples of secondary...Ch. 44.3 - In New England salt marshes, Spartina grass...
Ch. 44.3 - Prob. 3TYKCh. 44.4 - Prob. 1CCCh. 44.4 - Prob. 1BCCh. 44.4 - Prob. 2CCCh. 44.4 - Which is part of the original MacArthur-Wilson...Ch. 44.4 - Prob. 2TYKCh. 44.5 - In these two food chains, plants and...Ch. 44.5 - Prob. 1CCCh. 44.5 - Prob. 1TYKCh. 44.5 - Detritivores that feed on the dung of herbivores...Ch. 44.5 - Prob. 3TYKCh. 44.6 - Net primary production is the energy that passes...Ch. 44.6 - Prob. 2TYKCh. 44.6 - Most gross primary production is used in (by)...Ch. 44 - Prob. 1TYCh. 44 - Prob. 2TYCh. 44 - Prob. 3TYCh. 44 - Prob. 4TYCh. 44 - On which types of islands would you expect species...Ch. 44 - Prob. 6TYCh. 44 - Autotrophic organisms are primary consumers....Ch. 44 - Prob. 8TYCh. 44 - Prob. 9TYCh. 44 - The most highly productive terrestrial ecosystems...Ch. 44 - Prob. 1CCQCh. 44 - Prob. 2CCQCh. 44 - Prob. 3CCQCh. 44 - List some possible ecological disturbances, their...Ch. 44 - Prob. 2CBQ
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- In the equilibrium model of island biogeography, the immigration rate to an island depends mainly on: a) Distance from sources of migrants b) Extent of introductions by human colonists c) Extinction rate d) Island sizearrow_forwardTheequilibrium model of island biogeography explains diversity on islands as abalance between:a.speciation and extinction.b.immigration and extinction.c.speciation and emigration.d.immigration and emigration.e.speciation and immigration.arrow_forwardPlace a species distribution in order from smallest to largest. Group of answer choices Geographic range < Population < Metapopulation Geographic range < Metapopulation < Population Metapopulation < Population < Geographic range Population < Metapopulation < Geographic rangearrow_forward
- The equilibrium model of island biogeography predicts A) large islands, nearer a source of colonists, will support the fewest number of species. B) small islands, farther from a source of colonists, will support the fewest number of species. C) small islands, nearer a source of colonists, will support the fewest number of species. D) large islands, farther from a source of colonists, will support the greatest number of species. E) both large islands, farther from a source of colonists, will support the greatest number of species and small islands, farther from a source of colonists, will support the fewest number of species.arrow_forwardWhich 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_forwardWhich one of the following is the number of individuals per unit area? A. distribution B. growth rate C. density D. geographic rangearrow_forward
- Diagram and explain the colonization and extinction of island biogeography on an island that is near the mainland and far from the mainland as well as small vs. large. Explain what island biogeography is. Who came up with this model?arrow_forwardUsing the theory of island biogeography, why do we expect the number of species on an island to reach equilibrium?arrow_forwardgive two examples of an ecological specialist that went extinct. It may be useful to look for coextinction events, in which extinction of one species led to extinction of an ecological specialist that depended on that speciesarrow_forward
- Based on indexes such as Shannon diversity, is a community of higherspecies richness always more diverse than a community of lower speciesrichness? Explainarrow_forwardIn your region, what species are threatened with extinction? Why are they vulnerable? Suggest steps that could be taken to increase their populations.arrow_forwardThe island equilibrium model predicts that a small island will be able to support _____ species than a large island because the rate of _____ will be higher due to _____. A. More; extinction; easier dispersal B. More; immigration; easier dispersal C. Fewer; immigration; reduced dispersal D. Fewer; extinction; increased competition E. Fewer; immigration; harder dispersalarrow_forward
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