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Cnidaria

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What kind of symmetry does a Cnidarian have?  

a)

No Symmetry 

b)

Bilateral Symmetry 

c)

Radial Symmetry 

d)

Square

2.

What group of Cnidarian does the following image belong?

a)

jellyfish

b)

coral

c)

sea anemone

d)

hydrozoan

3.

What phylum does this animal belong in the image?

a)

Platyhelminthes

b)

Cnidaria

c)

Porifera

d)

Plantae

4.

Instead of a brain or central nervous system, jelly fish have what in place to help them respond to the environment.

a)

Stinging Cells

b)

Nerve Net

c)

Nematocysts

d)

Chloroplast

5.

What is the name of the phylum this organism belongs to?

a)

Arthropoda

b)

Annelida

c)

Echinodermata

d)

Cnidaria

6.

Which organism is NOT a Cnidarian?

a)
b)
c)
d)
e)
7.

Jellyfish and Sea Anemones are part of Phylum...

a)

Porifera

b)

Chordata

c)

Cnidaria

d)

Animalia

8.

What type of symmetry do Cnidarians have?

a)

Assymetrical

b)

Radial

c)

Bilateral

d)

None

9.

The key characteristic of Cnidarians is

a)

Stinging Cells

b)

Tentacles

c)

Medusa

d)

Spicules

10.

What does SESSILE mean?

a)

Free Floating

b)

Attached to a surface

c)

Strong swimmer

d)

Planktonic

11.

Cells that create a water current to bring in food

a)

Collar Cells

b)

Porocytes

c)

Pinacocytes

d)

Cnidocytes

12.

Color the tentacles orange

13.

color the medusa blue

14.

Circle the mouth

15.

Cnidaria

a)

A) They have a complete digestive system

b)

B) They possess stinging cells called nematocysts

c)

C) They are primarily terrestrial organisms

d)

D) They have a segmented body