1
Created by Boundless
Which of the following is NOT a distinguishing feature of lophotrochozoans?
A
having bilateral symmetry
B
having a blastopore
C
being triploblastic
D
being diploblastic
2
Created by Boundless
Which of the following classes of platyhelminthes almost always uses a mollusk as
its primary host?
A
Trematodes
B
Monogeneans
C
Cestodes
D
Turbellaria
3
Created by Boundless
What structure in rotifers is responsible for moving food toward the mouth by
generating a current?
A
Coelom
B
Mastax
Corona
C
D
4
Cloacal bladder
Created by Boundless
The structure in phylum Nemertea that serves to capture prey is called the
A
foregut
B
proboscis
C
rhynchodeum
D
rhynchocoel
5
Created by Boundless
A mantle and mantle cavity are present in:
A
phylum Adversoidea
B
phylum Mollusca
C
phylum Echinodermata
D
phylum Nemertea
6
Created by Boundless
Which of the following is NOT a characteristic of all members of the phylum
Mollusca?
A
A calcium carbonate shell
B
A muscular foot
C
A mantle
D
A visceral mass
7
Created by Boundless
Which of the classes of mollusks utilize captaculae to capture prey?
A
Scaphopods
B
Terrapods
C
Cephalopods
D
Gastropods
8
Created by Boundless
What structure in annelids characterizes them as the most advanced worms?
A
the chaetae
B
their closed circulatory system
C
the clitellum
D
the coelom