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The predator avoidance hypothesis suggests that sleep is an adaptive behavior to remain inactive and hidden from predators. However, research shows that some animals facing high predation risk, like the little brown bat, sleep for very long periods (up to 20 hours a day), while others in similar high-risk environments, like the giraffe, sleep for very short periods (less than 2 hours a day). Which statement provides the best analysis of this conflicting evidence?
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The predator avoidance hypothesis suggests that sleep is an adaptive behavior to remain inactive and hidden from predators. However, research shows that some animals facing high predation risk, like the little brown bat, sleep for very long periods (up to 20 hours a day), while others in similar high-risk environments, like the giraffe, sleep for very short periods (less than 2 hours a day). Which statement provides the best analysis of this conflicting evidence?
A comparative study of various mammal species reveals that animals with a high risk of being hunted do not consistently sleep less than animals with a low risk of being hunted. What is the most significant implication of this finding for the theory that sleep evolved primarily as a protective strategy against danger?