wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Invertebrate Review

Total questions: 76

Worksheet time: 57mins

Name
Class
Date
1.
Invertebrates that have stinging cells and take food into a central body cavity.
a)
echinoderm
b)
mollusk
c)
flatworm
d)
cnidarian
2.
Any animal lacking a backbone or notochord.
a)
vertebrate
b)
invertebrate
3.
Which of the following characteristics correctly describes sponges?
a)
They have no tissues, no organs, and no symmetry
b)
They have tissues
c)
They have organs
4.
If an organism gets it's food by filtering particles from the water, it is referred to as a ________. 
a)
Syphon
b)
Filter feeder
c)
Omnivore
d)
Scavenger
5.
A sponge spends most of it's adult life attached to one place. This is referred to as being ________. 
a)
Immobile
b)
Sessile
c)
Attached
d)
Dormant
6.
Jellyfish and sea anemones belong to phylum _________. 
a)
Porifera
b)
Cnidaria
c)
Mollusca
d)
Arthropoda
7.
What type of symmetry, if any, do cnidarians have?
a)
Bilateral
b)
Radial
c)
No symmetry (asymmetric)
8.

Which body form of cnidarians is a tube or vase shaped with tentacles on top of body surrounding the mouth?

a)

Polyp

b)

Medusa

9.
Which cnidarian body form has an umbrella-shaped body and tentacles that hang down?
a)
Polyp
b)
Medusa
10.
Flatworms belong to phylum __________. 
a)
Platyhelmenthes
b)
Annelida
c)
Nematoda
d)
Mollusca
11.
Most flatworms are __________, living in the bodies of a variety of different animals. 
a)
Free-living
b)
Free-swimming
c)
Parasites
d)
Hosts
12.

This picture is an example of which group of pore filled invertebrates?

a)

Segmented worms

b)

Fish

c)

Sponges

d)

Arthropods

13.

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

14.

I have a digestive cavity with one opening, and have stinging tentacles. I am a hydra. What phylum am I in?

a)

Echinoderm

b)

Cnidarian

c)

Arthropod

d)

Mollusk

15.

This is a planaria, which is a type of flat 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.

16.

Which of the following belong to the Phylum Platyhelminthes?

a)

Tapeworms, Fluke, Planarian

b)

Tapeworm, Annelids, Leech

17.

What is the body of an arthropod, such as a grasshopper, covered with?

a)

moist skin

b)

scales

c)

a hard exoskeleton

d)

fur

18.

What is the largest group of arthropods?

a)

jellyfish

b)

scorpions

c)

insects

d)

mammals.

19.

Which animal is NOT a mollusk?

a)

clam

b)

slug

c)

spider

d)

snail

20.

Which animal is not a stinging animal within the phylum Cnidaria?

a)

jellyfish

b)

sea anemone

c)

coral

d)

clam

21.

Animals that do not have a backbone are called__.

a)

vertebrates

b)

invertebrates

22.

Animals with jointed appendages and a hard exoskeleton for protection and support are called___. (Ex. ant, spider, crab, millipede)

a)

fish

b)

arthropods

c)

mollusk

23.

A starfish is an __ because it has tough, spiny skin.

a)

echinoderm

b)

mammal

c)

mollusk

d)

cnidarian

24.

This group of animals has soft bodies and may have one shell, two shells, or no shell. (examples: slugs, snails, clams, scallops)

a)

echinoderms

b)

arthropods

c)

platyhelminthes

d)

mollusk

25.

Some flatworms, such as tapeworms, must live inside of a host organism in order to survive. Because of this, tapeworms are considered __________.

a)

parasites

b)

free-living

c)

beneficial

26.

All animals are _______, _____ and ____.

a)

prokaryotic, single-celled and heterotrophs

b)

eukaryotic, multi-celled and autotrophs.

c)

eukaryotic, multi-celled and heterotrophs.

d)

prokaryotic, multi-celled and autotroph

27.

What type of symmetry do cnidarians have?

a)

asymmetrical

b)

radial

c)

bilateral

28.

The hard "skeleton" structures in a sponge are called...

a)

Spongin

b)

Spicules

29.

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

a)

Phylum Porifera

b)

Phylum Cnidaria

30.

Cnidarians can reproduce...

a)

sexually only

b)

asexually only

c)

both sexually and asexually

31.

What kingdom do invertebrates such as the Porifera and Cnidaria belong?

a)

Plantae

b)

Animalia

c)

Fungi

32.

Porifera and Cnidaria can reproduce asexually through a process called...

a)

replication

b)

fission

c)

budding

33.

What part of the sponge body are the openings along the sponge's body that allow in water?

a)

spicules

b)

collar cells

c)

pores

34.

Sessile means an organism _____.

a)

floats from place to place

b)

lives attached to an object their whole life

35.
Planaria, tapeworms, and flukes are member of the phylum...
a)
Porifera
b)
Cnideria
c)
Platyhelminthes
36.

A planarian has ________ symmetry.

a)
radial
b)
bilateral
c)
no 
37.

Flatworms were the first to have sense organs and the nervous system within the _____ region.

a)

tail

b)

head

38.

Members of the animal kingdom are ......

a)
autotrophs
b)
heterotrophs
39.
A _____________ organism produces both eggs and sperm.
a)
amoebocytic
b)
hermaphroditic
40.

Which is not a type of flatworms?

a)

tapeworm

b)

nematode

c)

liver fluke

d)

planarian

41.

Planarians are free-living. They do not need a host to survive.

a)

True

b)

False

42.

Roundworms are officially known as...

a)

Nematoda

b)

Platyhelminthes

c)

Annelida

d)

Arthropoda

43.

This type of parasitic flatworm lives inside the intestines after it is consumed in undercooked meats.

a)

Planarian

b)

Schistosomiasis

c)

Tapeworm or Trichinella

44.

Roundworms are in the Phylum

a)

Nematoda

b)

Platyhelminthes

45.

What phylum?

a)

Platyhelminthes

b)

Nematoda

c)

Cnidaria

d)

Porifera

46.

This proglottid has both male and female sex organs. This means it is a _____.

a)

hermaphrodite

b)

dendrite

c)

nematocyst

47.

Which of these is a common way that parasitic worms can be transmitted?

a)

enter thru cuts in skin

b)

eating infested undercooked meat

c)

consuming contaminated food or water

d)

all of these are ways you can get worms!

48.
What is the function of the scolex 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
49.

External bristles on an earthworm are also known as ___________.

a)

cilia

b)

setae

c)

flagella

50.

Which phylum do leeches and earthworms belong to?

a)

Nematoda

b)

Porifera

c)

Annelida

51.
What type of circulatory system do annelids have?
a)

Open without blood vessels

b)

Closed with blood vessels

52.

Which annelid has developed the ability to suck blood from other organisms?

a)

Earthworms

b)

Bristle worms

c)

Leeches

d)

Roundworms

53.
Annelida means:
a)
"pore bearing"
b)
"little rings"
c)
"soft body"
d)
"earth worm"
54.

An invertebrate animal with a soft body and a mantle is a _________?

a)

Mollusk

b)

Echinoderm

c)

Annelid

d)

Arthropod

55.

Which one is a bivalve?

a)

Clam

b)

Squid

c)

Snail

d)

Lobster

56.

This mollusk group has a two part shell.

a)

Gastropods

b)

Bivalves

c)

Cephalopods

d)

Echinoderm

57.

This invertebrate group has spiny skin. (ex. starfish, sea urchin)

a)

Arthropods

b)

Echinoderms

c)

Annelids

d)

Mollusks

58.

Cephalopods, gastropods and bivalves belong in what Phylum?

a)

Mollusks

b)

Annelids

c)

Arthropods

59.

Which class of Mollusks includes squid, cuttlefish, and octopus?

a)

Gastropods

b)

Bivalves

c)

Cephalopods

60.

Which class of Mollusks includes snails, slugs, conchs, and whelks?

a)

Cephalapods

b)

Bivalves

c)

Gastropods

61.

Which class of Mollusks includes clams, oysters, and mussels?

a)

Gastropods

b)

Bivalves

c)

Cephalopods

62.

They all have two body sections and eight legs. Some of them are predators with fangs or a stinger; others are parasites. None of them have antennae. What are they?

a)

Crustaceans

b)

Arachnids

c)

Insects

d)

Millipedes

63.
An arthropod’s _______ protects it and keeps it from drying out. It is made of _______ and does not grow with the animal.
a)
exoskeleton, antennae
b)
exoskeleton, chitin
c)
abdomen, chitin
d)
antennae, exoskeleton
64.
Some animals go through a process called ________ during their life cycle in which their bodies undergo dramatic changes in form as they develop.
a)
Metamorphosis
b)
Molting
c)
Chitin
d)
Exoskeleton
65.
How many body sections does an insect have?
a)
2
b)
3
c)
4
d)
many
66.
How many legs does an insect have?
a)
4
b)
6
c)
8
d)
many
67.
All segmented worms belong to which animal phylum?
a)
Nematoda
b)
Platyhelminthes
c)
Annelida
d)
Nemertea
68.

The word 'arthropod' means...

a)

eight foot

b)

jointed foot/appendages

c)

flexible foot

d)

hard foot

69.
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
70.
Mollusk's tongue-like strip covered with teeth that point backward is called the ____
a)
trochopore
b)
radula
c)
gills
d)
visceral mass
71.

Echinoderms have ___ symmetry.

a)

asymmetrical

b)

radial

c)

bilateral

d)

spherical

72.
a)

Annelid

b)

Cephalopod

c)

Bivalve

d)

gastropod

e)

crustacean

73.
a)

annelid

b)

arachnid

c)

insect

d)

crustacean

e)

cephalopod

74.
a)

annelid

b)

arachnid

c)

cephalopod

d)

Crustacean

75.
a)

arachnid

b)

annelid

c)

insect

d)

mollusk

76.
a)

Crustacean

b)

Mollusk

c)

Cephalopod

d)

Bivalve

e)

Echinoderm