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Pearl Necklace | Pearl Jewelry: Kim Kardashian Wedding Dress Photos Are Fake, But ...
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The relative width between the outer surfaces zygomaticus arcs extremely
small; the narrowness of the temporal fossae is also striking; the arc is very thin;
the temporal muscles have left no trace either in the line of their attachment,
neither they cover the surface; even the location of attachment of chewing muscles
very poorly developed. In the Museum of natural history, among skulls of dogs there is
one, devoid of the name that catches the eye with its small size and
their teeth: it belongs to one kind of lapdogs and
has features same with the features described above of the skull. This
we are dealing with two, if not three, groups of dogs, which
being equally protected and provided with food, represent
proof that in several generations the parts involved in the closing
jaws, suffered a reduction. What should be attribute this decrease? Itself
goes without saying, not artificial selection, as most
the above features do not leave any traces on the exterior
animal; only the magnitude of the clearance zygomaticus arc one can be
noticeable. The less can be talking about natural selection; because, on the one
hand, could not be any struggle for existence between such
dogs; on the other hand, there can be no question about the profitability in the struggle for
the existence of such individual variations, which consist in
reduction. Saving power also be excluded. With abundant
feeding, which was used by these dogs, much more could have
a tendency to seek in the body places where it would be possible to postpone
surplus food than to find such parts, which could be something
to cut. Exactly the same may not be admitted speculation about a possible connection
between the above reduction, on the one hand, and shortening of the muzzle,
caused, in all probability, the selection, on the other, as the bulldogs
which have a relatively short face, parts, taking part in
the closing of the jaws, are still extremely strong.
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