The thick thigh and skinny lower leg of a bird,as in the case of a chicken leg,is an advantage because it

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The thick thigh and skinny lower leg of a bird, such as in a chicken, positions the muscle mass closer to the body's center of gravity, which is beneficial for flight. It also means that only bone, tendon, and tough skin are exposed to potentially freezing conditions, reducing the risk of frostbite. Additionally, having slender, lightweight feet prevents them from being muscle-bound and restricted, allowing for more efficient movement. Therefore, all of the choices listed are advantages of this anatomical feature in birds.

The Thick Thigh and Skinny Lower Leg of a Bird,as