Cobras are super-fast and have a hood because
their parents and grandparents and
great-grandparents were super-fast and have a
hood. Cobra ancestors had more children and
grandchildren and great-grandchildren if they were
fast and had a little bit of a hood.
The DNA in our genes and chromosomes makes us
that way, and it's like the DNA in our parents'
and grandparents' genes and chromosomes. This is
the result of evolution.
Cobra's hoods make them look bigger, so
they open their hoods when they are scared.
Why Does a Cobra Have a Hood? I took
information for you from the following link, which
is serios and interesting:
"The cobra's hood is created by many elongated
ribs that are capable of extending the looser skin
on the neck outwards. The cobra rises up on the
forward portion of its body and flattens its neck,
spreading out this skin on the ribs to create what
appears to be a hood. Cobras do this whenever
they are disturbed or feel that they are in
danger. By doing so they can make themselves
look larger than they really are and potentially
unnerve a predator or foe."
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