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Consider a shrub species that grows along an environmental gradient, where the habitat ranges from being very warm on one end of the gradient, to very cold on the other end of the gradient on average. The traits of these shrubs vary; some individual shrubs show higher fitness when average temperatures are warm, whereas other individuals show higher fitness when average temperatures are cold. Based on what you know about how different evolutionary forces interact, under which of the following 4 scenarios would you expect populations of this species to show the highest levels of adaptation to local conditions? Population Population Two large populations, lots of gene flow between them Many small populations, lots of gene flow between them Cold ||||| Temperature Two large populations, no gene flow between them Many small populations, no gene flow between them Hot Cold III Temperature Hot a. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with a lot of gene flow between the two populations. b. The species is divided into many small populations spread out along the gradient, with a lot of gene flow between the populations.* C. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with no gene flow between the two populations. Od. The species is divided into many small populations spread out along the gradient, with no gene flow between the populations

Consider a shrub species that grows along an environmental gradient, where the habitat ranges from being very warm on one end of the gradient, to very cold on the other end of the gradient on average. The traits of these shrubs vary; some individual shrubs show higher fitness when average temperatures are warm, whereas other individuals show higher fitness when average temperatures are cold. Based on what you know about how different evolutionary forces interact, under which of the following 4 scenarios would you expect populations of this species to show the highest levels of adaptation to local conditions? Population Population Two large populations, lots of gene flow between them Many small populations, lots of gene flow between them Cold ||||| Temperature Two large populations, no gene flow between them Many small populations, no gene flow between them Hot Cold III Temperature Hot a. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with a lot of gene flow between the two populations. b. The species is divided into many small populations spread out along the gradient, with a lot of gene flow between the populations.* C. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with no gene flow between the two populations. Od. The species is divided into many small populations spread out along the gradient, with no gene flow between the populations

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Consider a shrub species that grows along an environmental gradient, where the habitat ranges from being very warm on one end of the gradient, to very cold on the other end of the gradient on average. The traits of these shrubs vary; some individual shrubs show higher fitness when average temperatures are warm, whereas other individuals show higher fitness when average temperatures are cold. Based on what you know about how different evolutionary forces interact, under which of the following 4 scenarios would you expect populations of this species to show the highest levels of adaptation to local conditions? Population Population Two large populations, lots of gene flow between them Many small populations, lots of gene flow between them d. Cold ||||| Temperature Two large populations, no gene flow between them Many small populations, no gene flow between them Hot Cold Temperature |||| Hot a. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with a lot of gene flow between the two populations. b. The species is divided into many small populations spread out along the gradient, with a lot of gene flow between the populations.* C. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with no gene flow between the two populations. The species is divided into many small populations spread out along the gradient, with no gene flow between the populations
Transcribed Image Text:Consider a shrub species that grows along an environmental gradient, where the habitat ranges from being very warm on one end of the gradient, to very cold on the other end of the gradient on average. The traits of these shrubs vary; some individual shrubs show higher fitness when average temperatures are warm, whereas other individuals show higher fitness when average temperatures are cold. Based on what you know about how different evolutionary forces interact, under which of the following 4 scenarios would you expect populations of this species to show the highest levels of adaptation to local conditions? Population Population Two large populations, lots of gene flow between them Many small populations, lots of gene flow between them d. Cold ||||| Temperature Two large populations, no gene flow between them Many small populations, no gene flow between them Hot Cold Temperature |||| Hot a. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with a lot of gene flow between the two populations. b. The species is divided into many small populations spread out along the gradient, with a lot of gene flow between the populations.* C. The species is divided into two large populations, one on the warm end of the gradient and one on the small end of the gradient, with no gene flow between the two populations. The species is divided into many small populations spread out along the gradient, with no gene flow between the populations
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