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Name the ectothermic animal that can thermoregulate by behavioural means rather than by physiological means.
Bumble bee in an orchard
Tuna fish in the ocean
Lizard in a desert
Flatworm in a pond
Answers (1)
Lizards are ectothermic, which means they rely on external sources of heat to regulate their body temperature.
Lizards exhibit various behavioral adaptations to control their body temperature. For instance, they can bask in the sun to absorb heat and increase their body temperature. Conversely, they can seek shade or burrow into the ground to cool down. By actively moving between different microhabitats, such as rocks, vegetation, or open areas, lizards can adjust their exposure to sunlight and modify their body temperature accordingly.
Unlike endothermic animals (e.g., mammals and birds) that regulate their body temperature internally through metabolic processes, lizards primarily rely on their environment and behavior to achieve thermoregulation. This behavioral thermoregulation allows them to optimize their body temperature for various physiological functions and adapt to different environmental conditions.
Hence, the correct answer is option 3.
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