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Cnidarians

Total questions: 13

Worksheet time: 6mins

Name
Class
Date
1.

Cnidarians have what type of symmetry?

a)

Asymmetry

b)

Radial

c)

Bilateral

d)

No symmetry

2.

Jellyfish have what type of body structure

a)

Medusa

b)

Polyp

c)

Hydra

d)

Branched

3.

Sea anemones have what type of body structure?

a)

Medusa

b)

Polyp

c)

Down

d)

Sessile

4.

Cnidarians hunt with

a)

Nematocysts

b)

Polyps

c)

Statocysts

d)

Cnidocytes

5.

T/F: Cnidarians have eyes that function just like ours do.

a)

True

b)

False

6.

Strobilation is a process specific to moon jellyfish. It is an example of what type of reproduction?

a)

Sexual

b)

Asexual

c)

Budding

d)

Not reproduction

7.

What is the name of the algae that inhabit the coral?

a)

green algae

b)

euglenoids

c)

zooxanthellae

8.

What type of gut do Cnidarians have?

a)

Full gut

b)

Looking gut

c)

Blind gut

d)

Through gut

9.

Hydra reproduce asexually by

a)

budding

b)

nematocysts

c)

gland cells

d)

gametes

10.
Cnidarians have nerves, but no central nervous system
a)
True
b)
False
11.
What is the term for the jelly like layer of Cnidarians?
a)
mesohyl
b)
mesophyll
c)
mesoglea
d)
mesopotamia
12.

What are the groups of sensory cells that determine the direction of gravity for medusas?

a)

Nemtocysts

b)

Statocysts

c)

Cnidocytes

d)

Ocelli

13.

T/F: Cnidarians that are hermaphroditic can self-reproduce.

a)

True

b)

False