wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Cnidaria

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Hydra reproduce asexually by

a)

budding

b)

nematocysts

c)

gland cells

d)

gametes

2.

What phylum has two different forms that exist which are called the medusa and the polyp?

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Platyhelminthes

d)

Kingdom Animalia

3.

What kind of symmetry does a Cnidarian have?  

a)

No Symmetry 

b)

Bilateral Symmetry 

c)

Radial Symmetry 

d)

Square

4.

What phylum does this animal belong in the image?

a)

Platyhelminthes

b)

Cnidaria

c)

Porifera

d)

Plantae

5.

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

6.

Which organism is NOT a Cnidarian?

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

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

a)

Arthropoda

b)

Annelida

c)

Echinodermata

d)

Cnidaria

8.

Jellyfish and Sea Anemones are part of Phylum...

a)

Porifera

b)

Chordata

c)

Cnidaria

d)

Animalia

9.

What type of symmetry do Cnidarians have?

a)

Assymetrical

b)

Radial

c)

Bilateral

d)

None

10.

The key characteristic of Cnidarians is

a)

Stinging Cells

b)

Tentacles

c)

Medusa

d)

Spicules

11.

What does SESSILE mean?

a)

Free Floating

b)

Attached to a surface

c)

Strong swimmer

d)

Planktonic

12.

Color the tentacles orange

13.

Circle the mouth

14.

True or False: Jellyfish, Sea Anemones and Sponges can reproduce both sexually and asexually

a)

True

b)

False

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