Biology
emilymoniz009
3

Which of the following behaviors allows a bird to maintain a constant body temperature in extremely hot weather? a. Spreading wings c. Flattening feathers b. Panting d. All of the above User: Bird bones are adapted for flight because they a. are dense c. are hollow b. contain bone marrow d. are longer than the bones of most animals

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adityaananda124

d. All of the above These behaviors; Spreading wings Flattening feathers panting are all evolutionary process to maintain body temperature. Birds are warm-blooded animals. Also known as homeotherms, which is defined as having the constant body temperature. This is a vital function for the survival of the specie. ---- c. are hollow The bones of most birds are hollow in order for the weight of the birds to be light for them to fly. 

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