ENERGYPYRAMID
FOODCHAIN
SECONDARY
PRODUCERS
FOODCHAIN
TERTIARY
FOODWEB
FOODWEB
PRIMARY
E
O
Q
R
Q
G
A
U
X
D
O
H
A
X
L
K
N
A
R
O
R
A
E
E
R
A
E
S
K
E
F
O
E
U
X
M
F
O
O
D
W
E
B
B
C
U
O
Q
R
R
P
C
U
E
J
P
A
E
B
H
A
U
O
A
G
E
R
E
Y
Y
T
W
E
T
B
O
A
M
D
N
Y
H
I
R
I
D
K
U
E
I
U
I
H
F
C
E
P
A
M
O
W
G
K
R
L
I
I
X
O
Y
H
D
Y
O
A
B
Z
I
T
A
I
I
C
O
I
N
A
F
R
E
R
X
V
I
G
G
H
D
D
O
J
X
I
X
A
L
Y
C
A
E
I
J
F
C
M
E
I
O
N
D
M
U
F
R
V
I
S
E
H
K
B
Y
N
S
A
U
I
E
Y
L
Y
S
D
A
B
V
Z
E
B
L
E
U
D
F
Q
Q
U
N
I
P
R
O
D
U
C
E
R
S
H
N
S
V
I
N
L
U
A
W
H
L
W
Y
N
B
I
