rabbit squirrel
In
a
grassland
ecosystem
,
the
grass
is
eaten
by
a
.
connected unrelated
A food web is a more complex way of showing how organisms are to one another .
organization Ecosystem
Changes
in
one
part
of
a
food
chain
or
web
can
affect
the
entire
.
rocks water Plants animals
and are two types of organisms in a food chai n