WorksheetsPlatyhelminthes & Nematoda
Total questions: 15
Worksheet time: 3hrs 21mins
Name
Class
Date
1.
A tapeworm lives inside of a host's body. This means that tapeworms are _______________.
a)
Ectoparasites
b)
Endoparasites
c)
Free-living
d)
Flukes
2.
How many types of tapeworms are known to infect humans?
a)
1
b)
2
c)
4
d)
6
3.
Flatworms have no true body cavity. This means they are ____________________.
a)
Symmetrical
b)
Sessile
c)
Coelomates
d)
Acoelomates
4.
The bodies of flatworms are flattened ___________________.
a)
Laterally
b)
Bilaterally
c)
Radially
d)
Dorso-ventrally
5.
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.
6.
Which of the following terms does not relate to flatworm reproduction?
a)
Dimorphism
b)
Hermaphroditic
c)
Monoecious
d)
Cross-fertilization
7.
A brightly colored flatworm, swimming with a wavelike motion, likely belongs to which class?
a)
Cestoda
b)
Trematoda
c)
Turbellaria
d)
Monogenea
8.
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
9.
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.
10.
Which type of roundworm is the most life-threatening canine worm?
a)
Heartworm
b)
Pinworm
c)
Hookworm
d)
Liverworm
11.
What structure protects parasitic flatworms in harsh environments like a digestive system?
a)
Neodermis
b)
Proglottids
c)
Flukes
d)
Cilia
12.
What structure do planaria use for feeding?
a)
Cilia
b)
Scolex
c)
Proglottids
d)
Pharynx
13.
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.
14.
Which of the following is not a class of the Phylum Platyhelminthes?
a)
Nematoda
b)
Trematoda
c)
Cestoda
d)
Turbellaria
15.
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.
100 %
