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WorksheetsEchinoderms and Mollusks
Total questions: 18
Worksheet time: 9mins
Echinoderms are found in both fresh and salt water.
True
False
Which one of the following is not associated with enchinoderms?
Bilaterally symmetric larvae
Calcarious exoskeleton
Heme based vascular system
Radial symmetric adults
Sea stars grow back severed limbs.
True
False
The common sea star belongs in which one of the following classes?
Asteroidea
Crinoidea
Echinoidea
Holothuroidea
Sea cucumbers, though a bit salty, can be used to make tasty pickles
True
False
Which invertebrate group does this animal it belong to?
enchinoderms
worms
sponges
arthropods
Which invertebrate group does this animal belong to?
cnidarians
mollusk
protozoa
worms
Which class of mollusk do the snail belong to?
Gastropoda or univalves
Pelecypoda or Bivalves
Cephalopoda or no shell mollusk
polyplacophora or chitons
which invertebrate group bodies are spiny and shaped like a star or a ball ?
cnidarians
arthropods
echinoderms
mammals
A squid is a member of what family that have soft bodies.
Sponges
Crustaceans
Molluscs
Coelenterates
Mollusks have
bilateral symmetry
radial symmetry
no symmetry
To which group of mollusks does this squid belong?
cephalopod
bivalve
gastropod
Which is the group of mollusks that has tentacles with suckers?
Cephalopods
Bivalves
Gastropods
Myriapods
To which group of mollusks does this cuttlefish belong?
Cephalopods
Bivalves
Gastropods
Which is the group of mollusks that has a spiral-shaped shell?
Gastropods
Cephalopods
Myriapods
Bivalves
To which group of mollusks does this octopus belong?
Cephalopods
Gastropods
Bivalves
