The
increasing
darkness
in
the
Northern
Hemisphere
this
me
of
year
"
indicates
to
the
plant
that
____________________
is
coming
on
.
So
it
starts
recouping
materials
from
the
____________________
before
they
drop
o
?
.
"
Evergreens
protect
their
needle
?
like
foliage
from
freezing
with
____________________
coatings
and
natural
"
antifreezes
.
"
But
broadleaf
plants
,
like
sugar
maples
,
birches
,
and
sumacs
,
have
no
such
protections
.
As
a
result
,
they
shed
their
leaves
.
But
before
they
do
,
the
plants
?
rst
try
to
____________________
important
nutrients
such
as
nitrogen
and
phosphorus
.
