LIVINGTHINGS
BIOTIC
NONLIVINGTHINGS
ECOSYSTEM
AQUATIC
TERRESTRIAL
ABIOTIC
NATURAL
ARTIFICIAL
FOREST
DESERT
SAVANNAH
A
R
T
I
F
I
C
I
A
L
A
M
P
C
S
O
A
N
L
J
F
O
S
M
U
J
O
I
G
B
D
F
E
A
A
O
K
A
A
E
W
T
N
T
I
A
E
I
L
T
Z
J
N
B
I
O
I
S
E
O
V
R
S
E
I
U
N
E
O
I
H
I
A
R
T
E
I
P
E
G
V
R
D
B
T
P
T
V
R
I
K
N
E
A
R
E
I
A
G
A
O
F
A
E
C
O
J
O
A
S
T
C
N
L
Y
J
A
N
S
J
N
P
A
Q
U
V
I
O
G
N
U
M
N
T
E
B
K
C
I
K
V
U
Z
S
T
B
T
A
R
M
P
I
Z
O
I
N
W
U
D
Y
H
A
H
I
S
X
U
B
L
F
H
G
O
E
U
S
I
Y
A
E
A
U
N
E
O
F
O
R
E
S
T
T
N
L
B
E
O
A
Q
U
A
T
I
C
U
H
E
E
G
N
N
U
L
A
X
I
W
A
C
E
B
A
M
M
S
