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Flatworms & Roundworms

Total questions: 31

Worksheet time: 2hrs 49mins

Name
Class
Date
1.

What is a flat worms excretory system?

a)

Anus

b)

Mouth

c)

Flame cells

d)

Skin

2.

What phylum are the flat worms under?

a)

Annelid

b)

Platyhelminthes

c)

Rotifers

d)

Sipuncula

3.

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.

4.

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

5.

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

6.

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

7.

What is an animal called, that can produce both sperm and eggs?

a)

Flatworms

b)

Hermaphroditic

c)

Cnidarians

d)

Cephalization

8.

What kind of worm is a platyhelminthes?

a)

Flat worm

b)

Round worm

c)

Special ed worm

d)

School worm

9.

What type of symmetry do Platyhelminthes have?

a)

Bilateral

b)

Asymmetrical

c)

Round

d)

Small

10.
A tapeworm lives inside of a host's body. This means that tapeworms are _______________. 
a)
Ectoparasites
b)
Endoparasites
c)
Free-living
d)
Flukes
11.
Flatworms have no true body cavity. This means they are ____________________. 
a)
Symmetrical
b)
Sessile
c)
Coelomates
d)
Acoelomates
12.
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. 
13.
Which of the following terms does not relate to flatworm reproduction?
a)
Dimorphism 
b)
Hermaphroditic 
c)
Monoecious
d)
Cross-fertilization
14.
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.
15.
Of the following options, where would you most expect to find an ectoparasite?
a)
In the blood.
b)
In your liver.
c)
Inside an elephant.
d)
On the outside of a fish.
16.
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. 
17.

Nematodes are acoelomates.

a)

True

b)

False

18.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
19.
Which of the following is an pseudocoelomate?
a)
an organism such as Planaria (flatworms) that have no body cavity
b)
an organism such as a jellyfish with a central digestive cavity
c)
an organism such as a mammal with a body cavity lined with 2 layers of mesoderm
d)
an organism such as a Nematode (roundworm) that has a "false" body cavity
20.
Which of the following phyla contains the first organisms with complete digestive systems?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
21.
Which of the following phyla contains  mostly parasitic roundworms?
a)
Annelida
b)
Cnidara
c)
Nematoda
d)
Platyhelminthes
22.
Most common roundworm infection in the US is caused by the
a)
pinworm
b)
heartworm
c)
roundworm
d)
whipworm
23.

Which is true of both flatworms and roundworms?

a)

They both have radial symmetry.

b)

They both have bilateral symmetry.

c)

they are both acoelomates.

d)

They are both pseudocoelomates.

24.

How do humans usually contract trichinosis?

a)

eating undercooked pork

b)

eating unwashed vegatables

c)

swimming in contaminated water

d)

receiving a mosquito bite

25.

Which group is the first to have a complete digestive system meaning they have both a mouth and anus?

a)

Flatworms

b)

Roundworms

26.

Pinworms and Hookworms are examples from which group?

a)

Flatworms

b)

Roundworms

27.

Which group of animals is more complex?

a)

Cnidarians

b)

Flatworms

c)

Roundworms

d)

Sponges

28.
What does nematode mean?
a)
Ringed worm
b)
Flat worm
c)
Threadlike worm
29.
What phylum?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Echinodermata
30.
Animals that live and feed off other animals are called ________
a)
planarians
b)
parasites
c)
proglottids
d)
teguments 
31.
Which of these is a common way that parasitic worms can be transmitted? 
a)
fecal-oral contact
b)
arthropod vectors
c)
consuming contaminated food or water
d)
all of these are ways you can get worms! 

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