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Phyla of Animalia Part 1

Total questions: 23

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
The hard "skeleton" structures in a sponge are called...
a)
Spongin
b)
Spicules
c)
Amebocytes
d)
Pinococytes
2.
What kind of symmetry does a Cnidarian have?  
a)
No Symmetry 
b)
Bilateral Symmetry 
c)
Radial Symmetry 
d)
Square
3.
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
4.
Which of the following is a correct description of the Cnidarian digestive tract?
a)
A complete digestive tract consisting of two openings.
b)
A complete digestive tract consisting of one opening
c)
An incomplete digestive tract consisting of two openings.
d)
contains only a mouth and an internal cavity.
5.
What phylum of invertebrates does the following picture belong?
a)
Platyhelminthes
b)
Cnidaria
c)
Porifera
d)
Mollusca
6.
What phylum of invertebrates does the following picture belong?
a)
Cnidaria
b)
Porifera
c)
Platyhelminthes
d)
Animalia
7.

The image represents a structure that Cnidarians use to subdue their prey. What is this structure?

a)

cnidocyte

b)

barb capsule

c)

gastroblast

d)

harpoon

8.
The phyla Porifera and Cnidaria all have what method of respiration in order to obtain oxygen?
a)
diffusion through a membrane/body wall
b)
gas exchange through a lung type organelle
c)
gas exchange through a specialized organ
d)
diffusion through the blood of a host
9.
What kingdom do invertebrates such as the Porifera and Cnidaria belong?
a)
Plantae
b)
Animalia
c)
Fungi
d)
Porifera
10.
A flexible, fibrous material that can make up the skeleton of a sponge?
a)
spicule
b)
spongin
c)
grass sponge
d)
spongocoel
11.

What phyla contains earthworms?

a)

Invertebrates

b)

Mollusca

c)

Anthropoda

d)

Annelida

12.

Which of the following phyla are worms (Select all that apply)?

a)

Platyhelminthes

b)

Annelida

c)

Echinodermata

d)

Nematoda

13.

Flatworms are in the Phylum

a)

Nematoda

b)

Platyhelminthes

14.

By which mechanism are hookworms transmitted?

a)

eating contaminated meat

b)

drinking contaminated water

c)

not washing their hands

d)

going barefoot in contaminated soil

15.

What is the function of the scolex (hooks and suckers) of a tapeworm?

a)

To attach to the intestinal wall of the host

b)

To reproduce

c)

To get rid of waste

d)

To carry the eggs

16.
Which of the following phyla contains mostly parasitic flatworms?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
17.

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

18.

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

a)

eye spots

b)

sun dial

c)

ocular cells

d)

pigmental segment

19.

Round worms belong in the phylum

a)

Nematoda

b)

Cestoda

c)

Platyhelminthes

d)

Annelida

20.

Earthworms and leeches are annelids.

a)

TRUE

b)

FALSE

21.

Which type of symmetry do most worms have?

a)

radial

b)

bilateral

c)

no symmetry (asymmetrical)

22.

Most cnidarians are known to have nematocysts which are...

a)

homes for fish

b)

slime

c)

growths on the organism

d)

stinging cells

23.

What is another name for annelid worms?

a)

roundworms

b)

segmented worms

c)

closed worms

d)

flatworms