The reason is because of the theory "the path of least resistance." The bird is not touching anything else, so it doesn't become our fried birdie dinner.
Well, A humans brain is bigger than a Sheeps brain, And a human has more Ridges and Contours also, Hope this helps
The homo sapiens appeared after two million years ago.Some of them spread from Africa into Asia and Europe.
<span>Sperm are the only human cells to have flagella.</span>
90% of the energy is lost to the environment as heat and only 10% is transferred per trophic level