The
____________________
____________________
who
walked
____________________
and
all
their
____________________
,
including
human
beings
,
are
known
as
____________________
.
This
primates
evolved
(
through
a
process
called
____________________
)
until
they
had
some
of
the
characteristic
____________________
of
humans
today
:
a
more
developed
____________________
,
which
enabled
them
to
think
and
use
____________________
,
and
their
ability
to
make
tools
and
____________________
.
