WorksheetsWorms, Mollusks, and Echinoderms
Total questions: 10
Worksheet time: 5mins
What are the three main groups of Mollusks?
Gastropods
Cephalopods
Annelids
Myriapods
Bivalves
Mollusks have
bilateral symmetry
radial symmetry
no symmetry
To which group of mollusks does this squid belong?
cephalopod
bivalve
gastropod
Which part of the Mollusk body contains most of the organs?
Foot
Visceral Mass
Trochophore
Mantle
Which invertebrate group does this animal it belong to?
enchinoderms
worms
sponges
arthropods
Which animal is most closely related to a sea star?
sea urchin
clam
octopus
sea slug
Worms are male or female.
True
False
Why are flatworms parasitic?
because they are evil
because they are flat
because they don't have a complete digestive system
because they don't have a respiratory system
What is in a leech's saliva?
anticoagulant
antibiotics
tryptophan
coenzyme
