When compared with untreated male Yarrow's lizards, males with testosterone implants in summer displayed all of the following except

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Testosterone implants in male Yarrow's lizards would likely lead to behaviors associated with increased territoriality and aggression, such as more frequent territorial displays (C), more time spent patrolling territorial boundaries (E), and potentially a higher energetic cost (B) due to these activities. These behaviors could also lead to a higher death rate (D) due to increased risks from these activities. However, increased reproductive success (A) is not necessarily a direct outcome of testosterone implants, as the increased aggression and territorial behavior could also lead to negative consequences that offset any potential gains in reproductive success.

When Compared with Untreated Male Yarrow's Lizards, Males with Testosterone