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Worm Phyla Review

Total questions: 61

Worksheet time: 2hrs 16mins

Name
Class
Date
1.
A body having three layers of tissue with organs and organelles is said to be _______________________.
a)
diploblastic
b)
ectodermic
c)
endodermic
d)
triploblastic
2.
Which class in the phylum Platyhelminthes is the only class that has non-parasitic organisms?
a)
Turbellaria
b)
Trematoda
c)
Monogenea
d)
Cestoda
3.
Tapeworms belong to which class in the phylum Platyhelminthes?
a)
Turbellaria
b)
Cestoda
c)
Trematoda
4.
Flatworms are unsegmented, bilaterial worms that lack a coelom.  Animals that lack a coelom are called ___________________.
a)
acoelomates
b)
coelomates
c)
noelomates
d)
innoelomates
5.
All of the following body systems can be found in a segmented worm EXCEPT the _______.
a)
Circulatory
b)
Digestive
c)
Reproductive
d)
Skeletal
6.
The majority of flatworms are parasitic.
a)
True
b)
False
7.
What type of body symmetry do the phylums Platyhelminthes and Annelida have in common?
a)
radial
b)
assymmetrical
c)
bilaterial
d)
vermiform
8.

What class / subclass of Annelida do earthworms belong to?

a)

Oligochaeta

b)

Polychaeta

c)

Hirudinea

9.
Which of the following phyla was the first to exhibit body segmentation?
a)
Annelida
b)
Arthropoda
c)
Cnidara
d)
Echindermata
10.

What class / subclass of phylum Annelida do segmented marine worms belong to?

a)

Oligochaeta

b)

Polychaeta

c)

Hirudinea

11.

What class /subclass of phylum Annelida do leeches belong to?

a)

Oligochaeta

b)

Polychaeta

c)

Hirudinea

12.

Label C points to which structure of the earthworm that is involved with the formation of a cocoon or egg capsule?

a)

ovary

b)

septum

c)

clitellum

d)

gizzard

13.

Which structure is NOT associated with digestion?

a)

gizzard

b)

pharynx

c)

ganglia

d)

crop

14.
A brightly colored flatworm, swimming with a wavelike motion, likely belongs to which class?
a)
Cestoda
b)
Trematoda 
c)
Turbellaria 
d)
Monogenea 
15.
The small segments behind a scolex that reproduce quickly, making a tapeworm longer and longer are called...
a)
Cilia
b)
Hooks
c)
Proglottids
d)
Snaps
16.
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.
17.
Which type of roundworm is the most life-threatening canine worm?
a)
Heartworm
b)
Pinworm
c)
Hookworm
d)
Liverworm
18.
What structure do planaria use for feeding?
a)
Cilia
b)
Scolex
c)
Proglottids
d)
Pharynx
19.
Which of the following is not a class of the Phylum Platyhelminthes?
a)
Nematoda
b)
Trematoda
c)
Cestoda
d)
Turbellaria 
20.
Why is it so important that Platyhelminthes worms have a flattened body?
a)
So they can fit in small spaces.
b)
It's easier for them to move that way. 
c)
Their cells absorb oxygen through their skin, so they have to be close to the outside. 
d)
It makes reproduction more simple. 
21.
Flat worms can reproduce 
a)
sexually 
b)
asexually
c)
both sexually and asexually
22.

This class of Phylum Platyhelminthes are parasites of vertebrates, with two suckers to attach to the host; class of the fluke

a)

Turellaria

b)

Monogenea

c)

Trematoda

d)

Cestoda

23.

This class of Platyhelmithes are parasites of vertebrates; attach to the host with a scolex; includes tapeworms.

a)

Turbellaria

b)

Monogenea

c)

Trematoda

d)

Cestoda

24.
What is the function of the scolex of a tapeworm?
a)
To attach to the intestinal wall of the host 
b)
To reproduce
c)
To get rid of waste
d)
To carry the eggs
25.

Which of the 3 types of flatworms we talked about are not parasites?

a)

planarians

b)

flukes

c)

tapeworms

d)

Schistosomas

26.
When an animal regrows a missing body part it has...
a)
Budded
b)
Regenerated
27.
What is structure A?
a)
flame cell
b)
pharynx
c)
ganglion
d)
ocelli
28.
What is structure D?
a)
flame cell
b)
pharynx
c)
ganglion
d)
ocelli
29.

What is an animal that has both male and female organs?

a)

Acoelomate

b)

Intersex

c)

Hermaphrodite

30.
Flat body
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
31.
One hole in digestive system
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
32.
Planaria
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
33.
How would an individual acquire a tapeworm?
a)
You are born with it
b)
Eating a tapeworm's remains
c)
Eating raw meat
d)
Pure luck
34.
Most common roundworm infection in the US is caused by the
a)
pinworm
b)
heartworm
c)
roundworm
d)
whipworm
35.
Which of the following phyla contains  mostly parasitic roundworms?
a)
Annelida
b)
Cnidara
c)
Nematoda
d)
Platyhelminthes
36.
Which of the following phyla includes  earthworms, leeches, and polychaetes?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
37.
Earthworms have setae, which are like bristles that help them ___.
a)
move
b)
eat
c)
reproduce
38.
What do earthworms eat?
a)
grass
b)
insects
c)
dirt
d)
organic matter in the soil
39.
Earthworms and leeches are collectively part of which class? 
a)
Annelida
b)
Clitellata
c)
Oligochaeta
d)
Hirudinea
40.
How does a tapeworm get their nutrition?
a)
Through the mouth and complex digestive system.
b)
Absorb from host intestine directly through skin.
41.
If a flatworm reproduces asexually, what would it do?
a)
produce larvae
b)
use fission
c)
create a polyp
d)
exchange gametes
42.
How do you describe a roundworm (Phylum Nematoda) body cavity?
a)
Acoelomate
b)
Pseudocoelomate
c)
Coelomate
d)
Does not apply
43.
A stiff hair, bristle or bristle like process or part on an organism
a)
Ganglia
b)
Setae
c)
Parapodia
d)
Nephridia
44.

Which of the following is a structure related to excretion in worms?

a)

Ganglia

b)

Gizzard

c)

Nephridia

d)

Crop

45.
Which phylum includes hookworms, pinworms, and heart worms?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
46.
Which of the following is the evolutionary advancement first found in annelids?
a)
Three germ layers
b)
A complete digestive system
c)
Cephalization
d)
Coelomates (tube within a tube)
47.

Annelids are hermaphrodites. Define this term.

a)

They have three tissue layers.

b)

They have a body cavity.

c)

They produce both egg and sperm.

d)

They can regenerate lost body parts.

48.

This Bobbit worm has a segmented body. What Phylum of Marine Worm would that be?

a)

Platyhelminthes

b)

Annelida

c)

Tube Worm

d)

Nematoda

49.

Which type of circulatory system do Annelids have?

a)

Open

b)

Closed

c)

Full

d)

None of the above

50.

Which of the following habitats are Annelids found?

a)

Marine

b)

Freshwater

c)

Moist environments

d)

All of the above

51.

Leeches have been used for medicinal purposes.

a)

True

b)

False

52.

Annelids cannot regenerate lost body parts.

a)

True

b)

False

53.

Leeches suck.

a)

True

b)

False

54.
What are the nerve cell clusters called that act as a simple brain?
a)
Choanocytes
b)
Spicules
c)
Ganglia
d)
Parapodia
55.

Which of the following detaches from the worm's body and acts as the cocoon that baby worms develop inside?

a)

clitellum

b)

prostomium

c)

seminal receptacle openings

d)

ovaries

56.

Which end is number 13 pointing to?

a)

anterior

b)

posterior

c)

dorsal

d)

ventral

57.

Which number represents the intestines?

a)

11

b)

12

c)

10

d)

8

58.

What is number 9 pointing to?

a)

ganglia

b)

heart

c)

crop

d)

nephridia

59.

What is letter F pointing to?

a)

eyespots

b)

brain

c)

intestines

d)

lateral nerve cord

60.

Which letter points to the intestines?

a)

I

b)

A

c)

H

d)

G

61.

Which body structure forms at the outer end of part H?

a)

mouth

b)

intestines

c)

pharynx

d)

nephridia

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