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Echinoderms and Mollusks

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

Echinoderms are found in both fresh and salt water.

a)

True

b)

False

2.

Which one of the following is not associated with enchinoderms?

a)

Bilaterally symmetric larvae

b)

Calcarious exoskeleton

c)

Heme based vascular system

d)

Radial symmetric adults

3.

Sea stars grow back severed limbs.

a)

True

b)

False

4.

The common sea star belongs in which one of the following classes?

a)

Asteroidea

b)

Crinoidea

c)

Echinoidea

d)

Holothuroidea

5.

Sea cucumbers, though a bit salty, can be used to make tasty pickles

a)

True

b)

False

6.

Which invertebrate group does this animal it belong to?

a)

enchinoderms

b)

worms

c)

sponges

d)

arthropods

7.

Which invertebrate group does this animal belong to?

a)

cnidarians

b)

mollusk

c)

protozoa

d)

worms

8.

Which class of mollusk do the snail belong to?

a)

Gastropoda or univalves

b)

Pelecypoda or Bivalves

c)

Cephalopoda or no shell mollusk

d)

polyplacophora or chitons

9.

which invertebrate group bodies are spiny and shaped like a star or a ball ?

a)

cnidarians

b)

arthropods

c)

echinoderms

d)

mammals

10.
I have a soft-body, a hard shell, and live on land and water.  What am I?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
11.
To which phylum do sea stars and corals belong?
a)
Echinodermata
b)
Arthropoda
c)
Cnidaria
d)
Annelida
12.

A squid is a member of what family that have soft bodies.

a)

Sponges

b)

Crustaceans

c)

Molluscs

d)

Coelenterates

13.

Mollusks have

a)

bilateral symmetry

b)

radial symmetry

c)

no symmetry

14.

To which group of mollusks does this squid belong?

a)

cephalopod

b)

bivalve

c)

gastropod

15.

Which is the group of mollusks that has tentacles with suckers?

a)

Cephalopods

b)

Bivalves

c)

Gastropods

d)

Myriapods

16.

To which group of mollusks does this cuttlefish belong?

a)

Cephalopods

b)

Bivalves

c)

Gastropods

17.

Which is the group of mollusks that has a spiral-shaped shell?

a)

Gastropods

b)

Cephalopods

c)

Myriapods

d)

Bivalves

18.

To which group of mollusks does this octopus belong?

a)

Cephalopods

b)

Gastropods

c)

Bivalves