First
level
:
____________________
(
they
do
the
____________________
)
.
Second
level
:
____________________
-
Primary
consumers
:
they
eat
the
____________________
-
Secondary
consumers
:
they
eat
the
____________________
____________________
-
Tertiary
consumers
:
they
eat
the
____________________
Third
level
:
____________________
(
they
feed
of
____________________
of
living
things
)
