ECOSYSTEM
BIOSPHERE
BIOTIC
ABIOTIC
HABITAT
POPULATION
COMMUNITY
PHOTOSYNTHESIS
RESPIRATION
INTERACT
FACTORS
INDIVIDUAL
SPECIES
SHELTER
FOOD
WATER
CLIMATE
OXYGEN
CARBONDIOXIDE
CARBOHYDRATES
P
P
H
O
T
O
S
Y
N
T
H
E
S
I
S
I
E
E
S
F
T
F
U
B
W
B
N
C
O
V
P
B
D
R
H
A
G
S
V
L
I
O
I
D
I
Z
O
O
I
C
E
E
C
A
Z
O
I
T
O
K
T
F
P
T
X
I
L
U
U
E
S
T
O
O
W
E
A
O
U
C
O
D
T
C
I
P
A
I
F
L
R
R
T
E
L
I
I
O
E
N
H
R
B
C
M
S
A
P
I
V
A
S
D
B
R
E
I
A
L
A
I
S
H
I
B
Y
T
R
N
Y
R
P
C
I
A
R
A
D
X
S
A
F
I
E
O
E
S
U
M
I
A
N
F
T
A
E
H
O
O
T
B
E
V
A
A
I
J
E
O
X
Y
G
E
N
N
A
R
O
T
E
A
M
T
C
A
R
E
T
N
I
P
W
A
E
A
S
E
T
A
R
D
Y
H
O
B
R
A
C
C
A
C
I
T
O
I
B
C
O
M
M
U
N
I
T
Y
