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Invertebrate Phyla

Total questions: 40

Worksheet time: 30mins

Name
Class
Date
1.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
2.
Because sponges cannot move around they are considered ______. 
a)
sessile
b)
senile
c)
sedementary
d)
spongin
3.
Sponges use pores to 
a)
move from place to place.
b)
filter food from the water.
c)
defend themselves.
4.
This picture is an example of which group of invertebrates?
a)
Segmented worms
b)
Fish
c)
Sponges
d)
Arthropods
5.

Sponges belong to which invertebrate phylum?

a)

Porifera

b)

Cnidaria

c)

Ctenophora

d)

Echinodermata

6.
What type of symmetry do Porifera have?
a)
asymmetrical
b)
bilateral
c)
radial
d)
exoskeleton
7.
What type of symmetry do cnidarians have
a)
asymmetrical
b)
bilateral
c)
radial
d)
medial
8.

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)

A sac-like digestive tract consisting of two openings.

d)

A sac-like digestive tract consisting of one opening.

9.

I have tentacles with stinging cells and a radial symmetry. I am a sea anemone. Which Phylum do I belong to?

a)

Arthropod

b)

Cnidarian

c)

Echinoderm

d)

Mollusk

10.
I have a digestive cavity with one opening, and have tentacles.  I am a hydra.
a)
Echinoderm
b)
Cnidarian
c)
Arthropod
d)
Mollusk
11.

To what phylum do these organisms belong?

a)

Annelid

b)

Mollusk

c)

Echinoderm

d)

Cnidarian

12.
I have a soft-body, a hard shell, and live on land and water.  What am I?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
13.
What type of body do all Mollusks have?
a)
Segmented
b)
Soft
c)
Rigid
d)
Clear
14.
All mollusks have an external shell.
a)
True
b)
False
15.
Mollusks possess this type of skeleton.
a)
endoskeleton
b)
exoskeleton
c)
hydrostatic
d)
pneumo
16.
What type of symmetry do MOST mollusks have?
a)
Bilateral
b)
Radial
c)
Circular
d)
Asymmetrical
17.
What phylum am I in?
a)
Echinoderm
b)
Cnidarian
c)
Mollusk
d)
Annelid
18.
Mollusks can be aquatic or terrestrial. 
a)
True
b)
False
19.

Flat bodied worms are grouped together in which phylum?

a)

Phylum Platyhelminthes

b)

Phylum Nematoda

c)

Phylum Annelida

20.
What type of symmetry does Platyhelminthes have?
a)
Bilateral symmetry 
b)
Radial symmetry 
c)
None 
21.

This is a planaria, which is a type of parasitic worm. Which phylum is it placed in and why?

a)

Nematoda, because it is round.

b)

Annelida, because it is segmented.

c)

Playhelminthes, because its flat.

22.

Tapeworms belong to which phylum?

a)

Cnidaria

b)

Platyhelminthes

c)

Nematoda

23.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
24.
Which of the following phyla contains  mostly parasitic roundworms?
a)
Annelida
b)
Cnidara
c)
Nematoda
d)
Platyhelminthes
25.
What phylum?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Echinodermata
26.
Which of the following is an example of a segmented worm?
a)
Octopus
b)
Crustacean
c)
Leech
d)
Sea Cucumber
27.

Segmented worms belong to which invertebrate phylum?

a)

Annelida

b)

Porifera

c)

Nematoda

d)

Platyhelminthes

28.
What two characteristics do all Arthropods have?
a)
two legs per body segment
b)
jointed legs and a cephalothorax
c)
three body segments and metamorphosis
d)
jointed legs and segmented bodies
29.
All arthropods have segmented bodies, jointed appendages, and ________________. 
a)
tails
b)
lungs
c)
wings
d)
an exoskelton
30.
Why do arthropods have to shed their exoskeletons?
a)
it wears out
b)
they don't shed
c)
it limits the size they can grow
d)
to go from water to land environments
31.
What am I?
a)
Arthropod
b)
Cnidarian
c)
Mollusk
d)
Porifera
32.
I have a hard exoskeleton, a segmented body, pairs of jointed appendages, and live on land and water.  I am a crab.  What is my phylum?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
33.
I have four pairs of legs and a body divided into two sections.  I am an arachnid.
a)
Echinoderm
b)
Cnidarian
c)
Mollusk
d)
Arthropod
34.
I have a long thin body and pairs of legs on each section of my body.  I am a centipede.
a)
Arthropod
b)
Annelid
c)
Echinoderm
d)
Cnidarian
35.
I have three pairs of legs and a body divided into three sections.  As a butterfly, I have wings.
a)
Echinoderm
b)
Annelid
c)
Arthropod
d)
Mollusk
36.
I am spiny and have a water vascular system with tube feet.  I am a sea cucumber.
a)
Cnidarian
b)
Echinoderm
c)
Mollusk
d)
Annelid
37.
In what phylum am I?
a)
Mollusk
b)
Echinoderm
c)
Cnidarian
d)
Annelid
38.
I am spiny, have a water vascular system with tube feet, radial symmetry, and am called a brittle star.
a)
Mullosk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
39.
What is the top of a sea star called?
a)
Oral
b)
Dorsal
c)
Aboral
d)
Central ring
40.
What does Echinodermata mean?
a)
Hard shell
b)
Many arms
c)
Soft bodied
d)
Spiny skin

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