Question: 4.46 4step Toucan's beak. The toco toucan, the largest member of the toucan family, possesses the largest beak relative to body size of all birds.
4.46 4step Toucan's beak. The toco toucan, the largest member of the toucan family, possesses the largest beak relative to body size of all birds. This exaggerated feature has received various interpretations, such as being a refined adaptation for feeding. However, the large surface area may also be an important mechanism for radiating heat (and hence cooling the bird) as outdoor temperature increases. Here are data for beak heat loss, as a percent of total body heat loss, at various temperatures in degrees Celsius:25 TOUCAN


Investigate the relationship between outdoor temperature and beak heat loss, as a percentage of total body heat loss.
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