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WorksheetsPlatyhelminthes
Total questions: 10
Worksheet time: 5mins
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.
Flatworms have no true body cavity. This means they are ____________________.
a)
Symmetrical
b)
Sessile
c)
Coelomates
d)
Acoelomates
3.
The bodies of flatworms are flattened ___________________.
a)
Laterally
b)
Bilaterally
c)
Radially
d)
Dorso-ventrally
4.
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.
5.
What structure do planaria use for feeding?
a)
Cilia
b)
Scolex
c)
Proglottids
d)
Pharynx
6.
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.
7.
What is a flat worms excretory system?
a)
Anus
b)
Mouth
c)
Flame cells
d)
Skin
8.
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.
9.
What is an animal called, that can produce both sperm and eggs?
a)
Flatworms
b)
Hermaphroditic
c)
Cnidarians
d)
Cephalization
10.
What type of symmetry do Platyhelminthes have?
a)
Bilateral
b)
Asymmetrical
c)
Round
d)
Small
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