BIOL202 - Study Guide - Lecture 19 - Sexual Selection

BIOL202 - Study Guide - Lecture 19 - Sexual Selection -...

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LECTURE 19: STUDY GUIDE SEXUAL SELECTION “… so it appears that female birds in a state of nature have by a long selection of the more attractive males, added to [the males’] beauty or other attractive qualities” Charles Darwin, 1871 Reading : Red/Black Campbell, 7 th ed., Chpt 23, pg. 448 Green Campbell, 6 th ed., Chpt 23, pgs. 460-461 Terminology : primary vs. secondary sexual characteristics sexual dimorphism “good genes” hypothesis Questions, concepts, etc: 1. Darwin described two groups of morphological traits among animals that seemed inconsistent with his theory of natural selection . a) Describe the first group of “problematic” traits. Why did Darwin have a hard time reconciling the evolution of these traits through the process of natural selection? b) Describe the second group of “problematic” traits. Why did Darwin have a hard time reconciling the evolution of these traits through the process of natural selection? 2. Be able to define “sexual selection” and recognize specifically how it is different from
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This test prep was uploaded on 04/18/2008 for the course BIOL 202 taught by Professor Johnson during the Spring '05 term at Maryland.

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BIOL202 - Study Guide - Lecture 19 - Sexual Selection -...

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