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Unit 3- Nonsegmented Worms

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the purpose of the Turbellarian pharynx?

a)

symbiosis

b)

respiration

c)

food collection

d)

food excretion

2.

These cells are used as an excretory mechanism.

a)

flame cells

b)

mesenchyme

c)

nerve cells

d)

collar cells

3.

Which class utilizes oral suckers to move through the bloodstream and attach to their vertebrate hosts?

a)

platyhelminthes

b)

turbellaria

c)

trematoda

d)

cnidaria

4.

How does class Turbellaria reproduce asexually?

a)

binary fission

b)

budding

c)

hermaphrodite

d)

regeneration

5.

What type of body plan does Phylum Platyhelminthes have?

a)

coelmate

b)

pseudocoelomate

c)

acoelomate

d)

mesoderm

6.

How does a host become infected with Trichinella?

a)

eating under cooked seafood

b)

eating under cooked pork

c)

drinking contaminated drinking water

d)

eating under cooked chicken

7.

Organ in Phylum Rotifera that chops their food.

a)

mastax

b)

pharynx

c)

flame cells

d)

scolex

8.

The simple brain of flatworms that consists of the nerve cells clustered in the anterior end.

a)

cephalization

b)

ganglia

c)

brain

d)

nerve net

9.

What class would you find tapeworms in?

a)

Turbellaria

b)

Cestoda

c)

Trematoda

d)

Rotifera

10.

The knob-shaped head of tapeworms that contains hook/suckers to attach to host.

a)

proglottid

b)

mastax

c)

scolex

d)

choanocytes

11.

How many openings does a roundworm have?

a)

0

b)

1

c)

2

d)

3

12.

Where is the mouth of a flatworm usually located?

a)

anterior end

b)

posterior end

c)

dorsal side

d)

ventral side

13.

What is a group of cells that can detect light called?

a)

eye spots

b)

sun dial

c)

ocular cells

d)

pigmental segment

14.

What is the scientific name of a beef tapeworm?

a)

Dugesia

b)

Taenia saginata

c)

Necator americanus

d)

Fasciola hepatica

15.

Body sections that form behind the scolex that contain male and female reproductive structures.

a)

mastax

b)

flame cells

c)

diffusion

d)

proglottid