CEPHALOTHORAX
ECHIDNODERMS
EXOSKELETON
CRUSTACEANS
SEGMENTBODY
ARACHNIDS
BUTTERFLY
INSECTS
SPIDER
CRABS
E
X
O
S
K
E
L
E
T
O
N
T
A
O
U
F
A
O
A
R
A
C
H
N
I
D
S
N
R
Q
S
Q
A
A
U
C
E
A
F
C
H
N
P
G
F
U
F
M
A
H
U
M
S
P
I
D
E
R
B
W
C
X
U
E
R
B
T
C
I
B
O
D
P
P
E
U
I
R
O
A
W
E
X
V
R
E
W
S
J
L
H
B
T
G
U
B
E
G
D
V
A
A
A
I
N
Y
Y
A
S
T
U
S
J
O
A
O
A
Z
B
S
A
H
A
D
L
T
E
E
T
U
G
E
N
K
S
S
B
Q
F
F
O
O
C
R
N
A
J
N
I
D
A
U
F
U
I
I
U
B
T
E
F
A
C
A
V
B
I
U
Z
N
U
O
O
P
T
H
S
L
A
E
W
W
Z
H
V
O
S
P
U
E
N
N
O
N
Y
A
A
B
U
K
C
A
J
O
V
O
U
O
E
R
I
S
J
N
A
B
G
E
Y
A
S
X
B
E
W
M
A
H
F
O
S
E
A
E
S
U
D
N
H
E
P
L
G
X
J
O
O
W
I
L
J
X
A
I
O
Q
M
A
O
E
Z
B
V
X
Z
N
A
P
X
U
A
N
X
O
S
D
S
J
I
E
J
L
R
J
C
F
E
I
N
