The
first
____________________
formed
family
____________________
.
This
meant
that
they
took
____________________
of
each
other
and
looked
____________________
the
weak
.
They
lived
in
____________________
or
outside
in
the
open
.
They
were
____________________
so
when
food
was
____________________
in
one
place
,
they
____________________
on
in
search
of
more
____________________
.
