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Invertebrate classification
Author :
Alex Gorriz
1.
Tentacles with stinging cells
A.
ANNELID (WORMS)
B.
CNIDARIA
C.
ECHINODERM
D.
PORIFERA (SPONGES)
2.
Soft-bodied with internal or external shells
A.
MOLLUSK
B.
ARTHROPOD
C.
ANNELID (WORMS)
D.
PORIFERA (SPONGES)
3.
Hard external skeleton
A.
MOLLUSK
B.
ANNELID
C.
PORIFERA (SPONGES)
D.
ARTHROPOD
4.
Soft body with two openings
A.
MOLLUSK
B.
CNIDARIA
C.
ARTHROPD
D.
ANNELID (WORMS)
5.
Fixed in the ground and live in water
A.
ANNELID (WORMS)
B.
MOLLUSKS
C.
PORIFERA (SPONGES)
D.
ARTHROPOD
6.
Covered with spines or spikes
A.
CNIDARIA
B.
ECHINODERM
C.
ARTHROPOD
D.
ANNELID
7.
Exoskeleton and more than one body section
A.
ANNELID (WORMS)
B.
CNIDARIA
C.
ECHINODERM
D.
ARTHROPOD