<span>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 </span><span>homeotherms, which is defined as having the constant body temperature. This is a vital function for the survival of the specie.
</span>
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<span>c. are hollow
</span>
The bones of most birds are hollow in order for the weight of the birds to be light for them to fly.
A GWAS can be performed by actually genotyping as few as 300000 to 1million
The correct answer is horizon.
Hope I helped.
<span>It is separated from the external ear by the
eardrum.</span>
Answer:
Tractive GPS Collar.
Explanation:
It is one of the best I have used, and it includes many useful features.
