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Worms & Mollusk Review

Total questions: 34

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
What is cephalization? 
a)
Having male and female parts.
b)
A concentration of sense organs and nervous system at the anterior end of the body. 
c)
Feeding off of another organism.
d)
Breathing through the skin.
2.

These Heartworms, Pinworms, Hookworms, and Liverworms are all which type of worms?

a)

Nematoda

b)

Flatworms

c)

Annelids

d)

Mollusk

3.
Which of the following is not a class of the Phylum Platyhelminthes?
a)
Nematoda
b)
Trematoda
c)
Cestoda
d)
Turbellaria 
4.

This type of flatworm (pictured) is free-living in freshwater and marine environments.

a)

sheep liver fluke

b)

planarian

c)

hookworm

d)

tapeworm

5.

What type of symmetry do all worms have?

a)

bilateral

b)

radial

c)

asymmetry

d)

spherical

6.

Which worm phylum includes planarians, tapeworms, and flukes?

a)

Platyhelminthes

b)

Nematoda

c)

Onychophora

d)

Annelida

7.

Which name best describes an organism that lives in or on another and feeds from that organism's tissues or fluids?

a)

decomposer

b)

host

c)

parasite

d)

scavenger

8.

What is the common name of Phylum Nematoda?

a)

Earthworm

b)

Roundworm

c)

Flatworm

9.
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
a)
Annelida
b)
Platyhelminthes
c)
Nemotoda
d)
Nemertea
10.
Which phylum of worms are pseudoceolomates?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
11.
Which phylum contains segmented worms like earthworms and leeches?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
12.
Which of the following phyla contains  mostly parasitic roundworms?
a)
Annelida
b)
Cnidara
c)
Nematoda
d)
Platyhelminthes
13.

These worms are commonly called flatworms

a)

turbelaria, cestoda, trematoda, monogenea

b)

nematoda

c)

oligochaeta, polychaeta, hirudinea

14.

These are commonly called segmented worms

a)

turbelaria, cestoda, trematoda, monogenea

b)

nematoda

c)

oligochaeta, polychaeta, hirudinea

15.

a)

Turbelaria

b)

Cestoda

c)

Trematoda

d)

Monogenea

e)

Nematoda

16.

a)

Oligochaeta

b)

Polychaeta

c)

Hirudinea

d)

Monogenea

e)

Nematoda

17.
Which class of Mollusks include clams, oysters, and mussels?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
18.
Which part of the Mollusk body is the tissue covering the body and secretes the shell?
a)
Mantle
b)
Trochophore
c)
Foot
d)
Visceral Mass
19.
Which class of Mollusks include organisms that have camera-like eyes similar to humans?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
20.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
21.
Which part of the Mollusk body contains organs?
a)
Foot
b)
Visceral Mass
c)
Trochophore
d)
Mantle
22.
Which class of Mollusks all have tentacles?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
23.
Which class of Mollusks have the most advanced nervous system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
24.
What type of mollusk is this
a)
bivalve
b)
cephalopod
c)
gastrapod
d)
segmented worm
25.

Which class of Mollusks does the picture belong to?

a)
Gastropod
b)
Bivalve
c)
Cephalopod
26.

Which class of Mollusks does the picture belong to?

a)
Gastropod
b)
Bivalve
c)
Cephalopod
27.

Which class of Mollusks does the picture belong to?

a)
 Bivalves
b)
Gastropods
c)
Cephalopods
d)
Cnidarians
28.

A structure of tiny teeth used for scraping food particle off a surface and drawing them into the mouth.

a)

mantle

b)

cuttlebone

c)

radula

d)

visceral mass

29.

Which class of Mollusks does the picture belong to?

a)
Gastropod
b)
Bivalve
c)
Cephalopod
30.

Which class of Mollusks does the picture belong to?

a)
Gastropod
b)
Bivalve
c)
Cephalopod
31.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
32.

Name the THREE groups of Mollusks.

a)

Gastropods

b)

Arthropods

c)

Cephalpods

d)

Bivalves

e)

Crab

33.

Gastropods are _______ .

a)

Single-shelled

b)

Multi-Shelled

c)

No-shelled

d)

Single-Shelled, AND No-Shelled

34.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes

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