Heroes, Rogues, & Lovers: Testosterone and Behavior (122 page)

disappearance of unimportant traits, 28, 33

distal explanations, 26

effect of climate on monogamy, 37

horses and, 28

human nature and, 26

male moth and, 2627

natural selection and, 2729

proximal explanations, 26

sex-linked behavioral characteristics, 31, 3233, 3435, 175

sex-linked physical characteristics, 31, 32, 34

sexual selection and, 2933

speech and human advancement, 195

testosterone and, 27,2829, 3536

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