Campbell Biology (11th Edition)
Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 56.1, Problem 3CC

WHAT IF? → Imagine two populations of a fish species, one in the Mediterranean Sea and one in the Caribbean Sea. Now imagine two scenarios: (1) The populations breed separately, and (2) adults of both populations migrate yearly to the North Atlantic to interbreed. Which scenario would result in a greater loss of genetic diversity if the Mediterranean population were harvested to extinction? Explain your answer.

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WHAT IF? Imagine two populations of a fish species,one in the Mediterranean Sea and one in the CaribbeanSea. Now imagine two scenarios: (1) The populationsbreed separately, and (2) adults of both populationsmigrate yearly to the North Atlantic to interbreed. Whichscenario would result in a greater loss of genetic diversityif the Mediterranean population were harvestedto extinction? Explain your answer.
Choose True for yes and False for no, for each of the statements 1) The distribution of the two species-C populations cannot be explained by two totally independent dispersal events by the common ancestor species of A and B. True or false 2) B must share a more recent common ancestor with C1 than it does with C2. True or false
Consider two species A and 8, with natural growth rates rA = 2 and re = 4 respectively, and natural carrying capacities MA = 600 and MB = 20, respectively. Suppose the species interact so that e = 0.5 and eg = 0.1. (a) If the species interact according to competition: (Give your answers correct to at least two decimal places.) The interesting equilibrium occurs when A = and B = If the initial populations are A(0) = 2 and B(0) = 1, one of the two species eventually dominates. Which one? O Species A O Species B !3! What is the long-term population of this dominant species? (Give your answer correct to the nearest integer.) (b) If the species interact according to symbiosis: (Give your answers correct to the nearest integer.) The interesting equilibrium occurs when A= and 8- If the initial populations are A(0) - 39 and B(0) = 4, what happens? O one species dies off O both species die off O both species survive (c) If the species interact according to commensalism: (Give your answers…
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