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Phylum Mollusca, Arthropoda, and Echinodermata

Total questions: 55

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
What is the radula used for?
a)
Locomotion
b)
Feeding
c)
Swimming
d)
Digging
2.
What is the radula used for?
a)
Locomotion
b)
Feeding
c)
Swimming
d)
Digging
3.
The protective membrane that surrounds the visceral mass on all mollusks is called...
a)
Radula
b)
Mantle
c)
Nephridia
d)
Visceral Shield 
4.
All mollusks have an external shell.
a)
True
b)
False
5.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

6.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

7.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

8.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

9.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

10.

Which TYPE of mollusk is most intelligent?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

11.

Which TYPE of mollusk has two shells?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

12.

Which TYPE of mollusk has ONE or NO shell?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

13.
What does Cephalopod mean?
a)
means "2-shells"
b)
means "head-foot"
c)
means "stomach-foot"
14.
Which class of Mollusks include squid, cuttlefish and octopus?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
Polyplacophora
15.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
16.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
17.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes
18.
Cephalopods move by
a)
using jet propulsion
b)
waving their tentacles back and forth.
c)
crawling along on a single muscular foot.
d)
clapping their shells together.
19.
Which group of cephalopods has ability to flatten body to fit in small spaces and change skin to blend with surroundings?
a)
Cuttlefish
b)
Nautilus
c)
Squid
d)
Octopuses
20.

True/False: Arthropods inhabit all ecosystems.

a)

True

b)

False

21.

True/False: Arthropods have a closed circulatory system.

a)

True

b)

False

22.

Subphylum Crustacea includes which of the following organisms?

a)

Insects

b)

Millipedes

c)

Scorpions, Spiders, Ticks

d)

Crabs, Lobsters, Crayfish, Shrimp, Barnacles

23.

True/False: Arthropods have an ectoskeleton.

a)

True

b)

False

24.

True/False: Arthropods have developed sensory organs (true eyes and antennae)

a)

True

b)

False

25.

The phylum arthropoda is the largest animal group on the planet.

a)

True

b)

False

26.

Molting is the process by which an arthropod sheds its exoskeleton to make room for a new, larger one.

a)

True

b)

False

27.

Arthropods are

a)

Carnivores

b)

Herbivores

c)

Omnivores

d)

Carnivores and omnivores

e)

Carnivores, herbivores, and omnivores

28.

Which of the following is not an arthropod?

a)

Corals

b)

Lobster

c)

Ticks

d)

Millipede

29.

All arthropods have body segments.

a)

True

b)

False

30.

Arthropods have ____________ symmetry.

a)

radial

b)

none

c)

jointed

d)

bilateral

31.

this crustacean is common food for whales and fish in polar waters

a)

amphipods

b)

copepods

c)

krill

d)

barnacles

32.

Male crabs have a ____ -shaped abdomen while a female crabs abdomen is ____ -shaped

a)

U;V

b)

W;C

c)

V;U

d)

T;U

33.

The term 'arthropod' literally means

a)

bent leg

b)

jointed foot

c)

bent foot

d)

jointed skeleton

34.

Another name for the pincers/ claws are

a)

swimmeretts

b)

thorax

c)

chelipeds

d)

mandibles

35.

To what phylum do Sea Fans, Sea Cucumbers, and Sea Urchins belong?

a)
Cnidaria
b)
Porifiera
c)
Echinodermata
d)

Mollusca

36.

To what phylum do Snails, Clams and Squid belong?

a)
Cnidaria
b)
Porifiera
c)
Echinodermata
d)

Mollusca

37.

What type of echinoderm is this?

a)
sea lily 
b)
sea urchin 
c)
sea cucumber 
d)
sand dollar 
38.

What type of echinoderm is this?

a)
sea lily 
b)
sea urchin 
c)
sea cucumber 
d)

sea star

39.

What type of echinoderm is this?

a)
sea lily 
b)
sea urchin 
c)
sea cucumber 
d)

sea star

40.

What are these external, fluid-filled muscular tubes found in echinoderms that serve as organs of locomotion.

a)

Tube feet

b)

Regeneration

c)

Test

d)

Aristotle's Lantern

41.

Sea stars grow back severed limbs.

a)

True

b)

False

42.

To which Phylum does this animal belong to?

a)

Cnidaria

b)

Mollusca

c)

Ctenophora

d)

Porifera

43.

To what phylum does this squid belong?

a)

Porifera

b)

Cnidaria

c)

Mollusca

d)

Ctenophora

44.

To which Class of mollusks does this squid belong?

a)

Cephalopoda

b)

Bivalvia

c)

Gastropoda

45.

To which Class of mollusks do these clams belong?

a)

Cephalopoda

b)

Gastropoda

c)

Bivalvia

46.

To which class of mollusk does this snail belong?

a)

Gastropoda

b)

Bivalvia

c)

Cephalopoda

d)

Polyplacophora

47.

The brown, red and yellow colors seen in this section of squid skin are controlled by what structures?

a)

Iridophores

b)

Leucophores

c)

Photophores

d)

Chromatophores

48.

A network of water filled canals with thousands of tubes connected to it.

a)

tube feet

b)

sea star

c)

water vascular system

d)

endoskeleton

49.

An echinoderm with fragile branched arms.

a)

sea star

b)

brittle star

c)

sea urchin

d)

sand dollar

50.

Echinodermata means...

a)

stomach foot

b)

spiny skin

c)

segmented body

d)

jointed foot

51.

Sand dollars and sea urchins both have mouth structures called...

a)

Plato's Closet.

b)

Aristotle's Lantern.

c)

Socrates' Dentures.

d)

Democritus' Facepalm

52.
a)

tube feet

b)

stone canal

c)

digestive glands

d)

madreporite

53.

Starfish are in the CLASS

a)

asteroidea

b)

echinoidea

c)

crinoidea

d)

echinodermata

54.

Echinoderms are exclusively _____ animals.

a)

marine

b)

terrestrial

c)

freshwater

d)

all of the above

55.

What is this structure, used by mollusks to drill holes into shells of prey, shred flesh or tear through kelp?

a)
Tentacle
b)

Tube feet

c)
Mantle
d)
Radula

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