1
.
____________________
are
the
driest
and
hottest
ecosystems
on
Earth
.
However
,
they
are
very
cold
at
night
.
2
.
____________________
ecosystems
can
contain
deciduous
or
evergreen
trees
.
3
.
____________________
are
dominated
by
large
areas
of
grass
.
There
aren't
very
many
trees
in
these
ecosystems
.
4
.
____________________
ecosystems
include
coral
reefs
and
shorelines
.
5
.
____________________
ecosystems
are
man
-
made
and
contain
animals
such
as
pigeons
,
squirrels
and
rat
s
