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Platyhelminthes

Total questions: 56

Worksheet time: 3hrs 32mins

Name
Class
Date
1.

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

a)

Acoelomate

b)

Intersex

c)

Hermaphrodite

2.
What type of symmetry does Platyhelminthes have?
a)
Bilateral symmetry 
b)
Radial symmetry 
c)
None 
3.
They have a complete digestive system. 
a)
True 
b)
False 
4.
What are the two types of flatworms?
a)
Trematoda and Cestoda 
b)
cubozoa 
c)
theres only one type and its free-living. 
d)
Free-living and parasitic 
5.
All tapeworms and flukes are parasitic
a)
True 
b)
False 
6.
What are the three classes of Flatworms? 
a)
Theres only 3 classes 
b)
Class Turbellaria  Class Trematoda Class Monogenea Class Cestoda
c)
Class Turbellaria, Cestoda, and Anthozoa 
7.
Flatworms can't survive if they aren't attached to a host. 
a)
True 
b)
Fals 
8.
What is the function of the Pharynx? 
a)
Attacks predators 
b)
Anchor the flatworm
c)
primitive, muscular mouth
9.
How do they determine who will act as the mother in reproduction? 
a)
Regeneration
b)
They don't
c)
Penis fencing 
d)
Transmission
10.
Flat body
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
11.
One hole in digestive system
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
12.
Planaria
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
13.
Parasitic flatworms include
a)
leeches
b)
ascaris worms
c)
tapeworms
d)
heartworms
14.
The mouth of a tapeworm is called:
a)
proglottid
b)
clitellum
c)
scolex
d)
prostomium
15.
The individual segments of a tapeworm that can reproduces sexually are called
a)
proglottid
b)
scolex
c)
septa
d)
setae
16.
What is the function of the pharynx in flatworms?
a)
To breathe
b)
to remove excess water from the body
c)
to bring food into the gastrovascular cavity
d)
reproduction
17.
Tapeworms live the host's _____
a)
intestines 
b)
stomach
c)
mouth
18.
Flatworms can reproduce
a)
sexually only
b)
asexually only 
c)
both sexually and asexually
19.
What is an Acoelmate?
a)
Animal with false body cavity
b)
Animal lacking body cavity
c)
Animal with true body cavity
d)
Animal with cavities in its teeth
20.
What class?
a)
Class Cestoda
b)
Class Trematoda
c)
Class Turbellaria 
d)
Class Monogenea
21.
What class?
a)
Class Cestoda
b)
Class Trematoda
c)
Class Turbellaria 
d)
Class Monogenea
22.
What is structure A?
a)
flame cell
b)
pharynx
c)
ganglion
d)
ocelli
23.
What is structure D?
a)
flame cell
b)
pharynx
c)
ganglion
d)
ocelli
24.
This proglottid has both male and female sex organs. They are found in which class of worms?
a)
Cestoda
b)
Trematoda
c)
Turbellaria
d)
Monogenea
25.
Which of the following phyla contains the first acoelomate organisms with three tissue layers?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
26.
Which of the following phyla includes tapeworms, liver flukes, and planarians?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
27.
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
28.
Leaf-shaped flatworms are called____
a)
flukes
b)
tapeworms
c)
planarians
d)
rotifers
29.
Concentration of nerves and other sensory organs on the anterior (front) end of the body is called____
a)
acoelmate
b)
cestoda
c)
cephalization
d)
tegument
30.
When an animal regrows a missing body part it has...
a)
Budded
b)
Regenerated
31.
A tapeworm lives inside of a host's body. This means that tapeworms are _______________. 
a)
Ectoparasites
b)
Endoparasites
c)
Free-living
d)
Flukes
32.
Flatworms have no true body cavity. This means they are ____________________. 
a)
Symmetrical
b)
Sessile
c)
Coelomates
d)
Acoelomates
33.
What is a definitive host? 
a)
An organism that any parasite can live on.
b)
The last organism that a parasite uses to live.
c)
The organism that parasitic eggs are laid on. 
d)
An organism that parasites find easily. 
34.
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
35.
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.
36.
What structure do planaria use for feeding?
a)
Cilia
b)
Scolex
c)
Proglottids
d)
Pharynx
37.
Which of the following is not a class of the Phylum Platyhelminthes?
a)
Nematoda
b)
Trematoda
c)
Cestoda
d)
Turbellaria 
38.

How do flatworms reproduce?

a)

Sexually and asexually

b)

asexually

c)

sexually

39.

How do animals get food?

a)

Through the nose

b)

Filter feeder.

c)

Through the mouth at the front of the body.

d)

Through the mouth on the underside of the body.

40.

What is cilia?

a)

Hair like structures under the worm

b)

Hair like structures along the side of the worm

c)

Hair like structures on top of the worm

41.

How are flatworms more complex than Cnidarians?

a)

How they look

b)

The way they eat

c)

Their reproduction

d)

They move and have a head

42.

The mouth of the flatworm is on the underside of the body.

a)

True

b)

False

43.

What makes flatworms a good hunter?

a)

They have a head to see where their going

b)

They are able to move

c)

They can catch food

d)

All of the above

44.

The body of PLATYHELMINTHES is bilaterally (a)  

45.

Animal that has 3 embryonic layers called as...

(a)  

46.
Which class in the phylum Platyhelminthes is the only class that has non-parasitic organisms?
a)
Turbellaria
b)
Trematoda
c)
Monogenea
d)
Cestoda
47.
Tapeworms belong to which class in the phylum Platyhelminthes?
a)
Turbellaria
b)
Cestoda
c)
Trematoda
48.
What organism belongs to the class Trematoda in the phylum Platyhelminthes?
a)
planaria
b)
fluke
c)
tapeworm
d)
tree
49.

What is the most common location for parasitic flatworm eggs?

a)

muscle tissue

b)

stomach/intestines (digestive system)

c)

feces (poop)

d)

epidermis

50.

What is the most common location for tapeworm cysts?

a)

muscle tissue

b)

stomach/intestines (digestive system)

c)

feces (poop)

d)

epidermis

51.

What is the most common intermediate host of most flukes?

a)

invertebrates (snails, crustaceans)

b)

fish

c)

humans

d)

livestock (cows, sheep, pigs)

52.

Which of the following is NOT a characteristic of flatworms?

a)

bilaterally symmetrical

b)

cephalized

c)

complete digestion

d)

dorsoventrally flattened

53.

What is the purpose of flatworm tegument?

a)

it makes them better hunters

b)

it covers parasitic flatworms

c)

its a hard protective covering

d)

it aids in movement

54.

How are parasitic flatworms different from predatory flatworms?

a)

they are acoelomates

b)

they lack eyespots

c)

they are hermaphroditic

d)

they lay eggs

55.

What do Platyhelminthes have that Poriferians and/or Cnidarians don't?

a)

simple brains

b)

multiple hearts

c)

mesoglea tissue

d)

pores

56.

Which process best describes planarian asexual reproduction?

a)

hermaphroditic

b)

fusion/gamete combination

c)

parasitic

d)

fission/regeneration