The
system
by
which
scientists
classify
living
things
is
called
____________________
.
The
scientist
who
created
it
was
____________________
____________________
____________________
.
He
grouped
organisms
based
on
____________________
and
____________________
,
and
came
up
with
five
large
groups
called
____________________
into
which
living
things
can
be
placed
.
These
large
groups
are
then
divided
into
smaller
and
smaller
groups
.
The
organisms
in
each
smaller
group
share
more
and
more
____________________
in
common
as
they
are
classified
into
each
level
in
the
classification
____________________
.
The
smallest
groups
are
called
____________________
.
Only
in
these
small
and
very
similar
groups
can
____________________
occur
giving
rise
to
fertile
____________________
.
