The
upper
primates
who
walked
upright
and
all
their
____________________
,
including
humans
____________________
,
are
known
as
____________________
.
This
____________________
envolved
until
they
had
some
of
the
____________________
features
of
human
today
:
a
more
developed
____________________
,
which
enabled
them
to
think
and
use
____________________
,
and
the
abilty
to
make
____________________
and
utensil
s
