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Marine Invertebrates

Total questions: 66

Worksheet time: 37mins

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.
What do jellyfish have that sting to help them catch food?
a)
eyes
b)
tentacles
c)
mouths
d)
backbones
3.
This picture is an example of which group of invertebrates?
a)
Segmented worms
b)
Fish
c)
Sponges
d)
Arthropods
4.
Is the picture a vertebrate or invertebrate?
a)
Vertebrate
b)
Invertebrate
5.

The organism in the picture is a(n)

a)

spiny skinned animal

b)

mollusk

c)

arthropod

d)

hollow bodied animal

6.

The picture shows an example of a(n)

a)

sponge

b)

spiny skinned animal

c)

mollusk

d)

worm

7.

I have a soft-body, a hard shell, and live on land and water. What am I?

a)

Mollusk

b)

Arthropod

c)

Spiny skinned

d)

Hollow bodied

8.

In what group am I?

a)

Mollusk

b)

Spiny skinned

c)

Sponge

d)

Hollow bodied

9.
Which animal can regrow its arm if its broken off?
a)
sea otter
b)
clam
c)
jellyfish
d)
starfish
10.
Between 90-95% of all animals on earth can be classified as _____.
a)
invertebrates
b)
vertebrates
c)
reptiles
d)
mammals
11.

I am spiny and have a water vascular system with tube feet. I am a sea cucumber.

a)

Worm

b)

Spiny skinned animal

c)

Mollusk

d)

Sponge

12.

The organism shown is an example of a(n)

a)

mollusk

b)

hollow bodied

c)

sponge

d)

spiny skinned

13.
Sponges use pores to 
a)
move from place to place.
b)
filter food from the water.
c)
defend themselves.
14.

Which of these is not a major group of invertebrates?

a)

Fish

b)

Worms

c)

Mollusks

d)

Sponges

15.
A __________ is a simple invertebrate  with holes through which water flows.
a)
Echinoderms
b)
Mollusks
c)
Sponges
d)
Arthropods
16.

Which of these invertebrates have special stinging cells that allow them to catch their prey?

a)

Mollusks

b)

Hollow bodied

c)

Arthropods

d)

Worms

17.

How many groups of invertebrates are there?

a)

5

b)

3

c)

6

d)

4

18.

Which mollusk group would a snail belong to?

a)

No shell

b)

1 shell

c)

2 shells

d)

inside shell

19.

Sea stars, sea urchins, and sea cucumbers belong to _________.

a)

Arthropods

b)

Worms

c)

Mollusks

d)

Spiny skinned

20.
What is one characteristic that ALL mollusks share?
a)
Have two shells
b)
Have one shell
c)
Have soft bodies
d)
Breath with lungs
21.

Corals are examples of _________.

a)

sponges

b)

hollow bodied

c)

mollusks

22.

This is an example of ______________.

a)

Sponges

b)

Flatworms

c)

Hollow Bodied

d)

Arthropods

23.

Scallops are examples of ________

a)

Worms

b)

Mollusks

24.

Earthworms are examples of _______

a)

Flatworms

b)

Segmented worms

c)

Roundworms

25.

Which of the following is an invertebrate?

a)

Cat

b)

Snail

c)

Goldfish

d)

Humans

26.

Which of the following are invertebrates? (Select all that applies)

a)
b)
c)
d)
27.

An octopus is a mollusk without its shell.

a)

True

b)

False

28.

A harmful animal that lives inside or outside of animal is called a(n)

a)

Mammal

b)

Parasite

c)

Insect

d)

Arachnid

29.

What are animals with tentacles that can sting called?

a)

Insect

b)

Hollow Bodies

c)

Worms

d)

Arthropod

30.

Why do Hollow bodied animals use their tentacles to sting other animals?

a)

To stun animals before they're eaten

b)

To protect themselves

c)

For funsies

d)

To protect their young

31.

Corals are alive.

a)

True

b)

False

32.

What filters food from the water it lives in?

a)

sponge

b)

segmented worm

c)

arthropod

d)

mollusk

33.
Which of the following animals is a segmented worm?
a)
caterpillar
b)
snake
c)
eel
d)
leech
34.
Sponges use pores to 
a)
move from place to place.
b)
filter food from the water.
c)
defend themselves.
35.

What type of habitat does a sponge live in?

a)

ocean

b)

soil

c)

trees

d)

ground

36.
Which class of animal is a snail?
a)
echinoderm
b)
fish
c)
segmented worm
d)
mollusk
37.
Are there more vertebrates or invertebrates living on Earth?
a)
vertebrates
b)
invertebrates
38.
The body is divided into many ring-like segments.  They have well-developed organs and systems. 
a)
sponges
b)
flatworms
c)
round worms
d)
segmented worms
39.
Example of a flatworm.
a)
leech
b)
tapeworm
c)
trichinella
d)
coral
40.

What is an example of Mollusk?

a)

starfish

b)

snails

c)

segmented worm

d)

flatworm

41.

What is an example of a spiny skinned animal?

a)

snails

b)

butterfly

c)

sand dollar

d)

segmented worm

42.

Snails, clams, octopus, oysters. squid, and slugs are all part of this group.

a)

Flatworms

b)

Mollusk

c)

Arthropods

43.

Tapeworm, planaria, and fluke are part of this group.

a)

Flatworms

b)

Roundworms

c)

Segmented worms

44.

Heartworms and hookworms are all part of this group.

a)

flatworm

b)

roundworm

c)

segmented worm

45.

Jellyfish, coral, and sea anemone are examples of this group.

a)

Sponges

b)

Hollow bodied

c)

segmented worms

46.
Do the invertebrates have backbone?
a)
yes
b)
no
47.

Which is the only spinny skinned animal with 5 legs?

a)

Spider

b)

Snail

c)

Starfish

d)

Crab

48.

This animal has black ink for the enemies

a)

Spider

b)

Jellyfish

c)

Squid

d)

Worm

49.
If you touch the tentacles of the _____ it stings you!
a)
Ant
b)
Jellyfish
c)
Octopus
d)
Scorpion 
50.
When the slug is walking it leaves a trail of...
a)
hair
b)
skin
c)
food
d)
mucus
51.

The planarian is an example of what type of worm?

a)

Segmented worm

b)

Roundworm

c)

Flatworm

d)

Sponge

52.

What animal is not an invertebrate?

a)

shrimp

b)

leech

c)

tadpole

d)

sand dollar

53.

True or False: Roundworms and Flatworms mainly live and feed inside the bodies of other animals.

a)

True

b)

False

54.

Which worm lives on land?

a)

tapeworm

b)

planarian

c)

earthworm

d)

snail

55.

Bivalves are mollusks that have two shells, like...

a)

crabs.

b)

clams.

c)

lobsters.

56.

What group do oysters, snails, and squid belong to?

a)

Hollow bodied

b)

Worms

c)

Mollusks

d)

Spiny skinned

57.

What makes tube feet extend?

a)

food

b)

tentacles

c)

water vessel system

d)

sea star

58.

Which animal below uses specialized cells to sting its prey

a)
b)
c)
d)
59.

Humans are invertebrates.

a)

True

b)

False

60.
Which of these animals is an invertebrate?
a)
a leopard
b)
a pigeon
c)
a snail
d)
a snake
61.

Which invertebrate has a soft body?

a)

A crab

b)

A spider

c)

A worm

d)

A butterfly

62.

Where do jellyfish live?

a)

They live under water

b)

They live on land

63.

Which of these is not a major group of invertebrates?

a)

Fish

b)

Worms

c)

Mollusks

d)

Sponges

64.

Which mollusk group would a snail belong to?

a)

No shell

b)

1 shell

c)

2 shells

d)

inside shell

65.

Which is the only spinny skinned animal with 5 legs?

a)

Spider

b)

Snail

c)

Starfish

d)

Crab

66.

Which worm, when cut into three pieces, can turn into three new worms?

a)

earthworm

b)

heartworm

c)

planarian

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