A lizard is sitting on a rock on a cool, cloudy morning. As the day progresses the sun comes out and the temperatures of the rock and the lizard increase. What changes are expected in the lizard's metabolic rate and activity level?

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As the temperatures increase, the lizard's metabolic rate and activity level are expected to increase. This is because reptiles are ectothermic and rely on external temperatures to regulate their body temperature and metabolic processes. As the temperature increases, the lizard's metabolism speeds up, allowing it to be more active.

A Lizard Is Sitting on a Rock on a Cool