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Currently, the only predators of Galápagos marine iguanas are Galápagos hawks Iguana body size i i than large iguanas. If predators (for example, cats) that preferentially catch and eat slower iguanas are

Currently, the only predators of Galápagos marine iguanas are Galápagos hawks Iguana body size i i than large iguanas. If predators (for example, cats) that preferentially catch and eat slower iguanas are

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question 8** Currently, the only predators of Galápagos marine iguanas are Galápagos hawks. Iguana body size is not correlated with risk of hawk predation, although small iguanas can sprint faster than large iguanas. If predators (for example, cats) that preferentially catch and eat slower iguanas are introduced to the island, predict, using a graph, what would happen to iguana body size in the absence of other factors. A) Define what type of selection the iguana would be under (directional, stabilizing, disruptive). B) After defining the selection currently described above, write a new scenario for the iguanas that would result in a DIFFERENT selection mode (aka not the one you selected before).
Transcribed Image Text:**Question 8** Currently, the only predators of Galápagos marine iguanas are Galápagos hawks. Iguana body size is not correlated with risk of hawk predation, although small iguanas can sprint faster than large iguanas. If predators (for example, cats) that preferentially catch and eat slower iguanas are introduced to the island, predict, using a graph, what would happen to iguana body size in the absence of other factors. A) Define what type of selection the iguana would be under (directional, stabilizing, disruptive). B) After defining the selection currently described above, write a new scenario for the iguanas that would result in a DIFFERENT selection mode (aka not the one you selected before).
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