COMMENSALISM
COMPETITION
PARASITISM
ECOSYSTEMS
RESOURCES
SYMBIOSIS
MUTUALISM
POLLUTION
PREDATOR
RECYCLE
REDUCE
REUSE
PREY
HOST
X
I
P
R
E
D
A
T
O
R
A
K
A
A
P
I
E
D
Y
H
F
J
W
T
D
K
F
A
K
M
W
W
O
M
Y
U
D
F
K
A
S
E
G
S
R
E
U
S
E
M
L
T
Q
K
U
E
O
X
M
E
N
I
O
B
U
I
X
S
L
E
B
F
P
I
X
F
E
O
Z
N
O
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Y
L
B
I
U
N
T
U
S
B
J
A
T
G
F
V
P
L
K
A
V
L
T
Q
E
O
K
K
S
F
S
H
B
W
H
C
E
S
D
A
I
O
O
C
O
U
I
E
Y
O
T
B
V
Y
H
N
I
U
O
R
S
O
N
P
E
B
S
S
J
K
U
C
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M
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A
R
M
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O
U
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M
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V
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C
H
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Z
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D
M
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M
Y
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A
U
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Z
O
U
A
U
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M
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F
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U
C
C
A
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Y
Y
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P
P
A
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A
S
I
T
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M
P
Z
C
I
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Z
X
C
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A
S
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C
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H
H
A
A
R
O
O
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K
Y
J
G
W
A
E
S
N
P
U
S
Y
M
B
I
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S
I
S
V
U
T
Z
Q
O
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