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Invertebrates

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which three body parts does an insect have?

a)

tentacles, head, legs

b)

head, abdomen, legs

c)

head, thorax, abdomen

d)

hair, bones, foot

2.

It has 8 legs so it is a(n)...

a)

Tentacles

b)

Insect

c)

Arachnid

d)

Crab

3.

A snail is a...

a)

Insect

b)

Worm

c)

Mollusk

d)

Arthropod

4.

The arthropods are

a)

Mollusks, annelids, worms, insects

b)

insects, arachnids, crustaceans, myriapods

c)

worms, arachnids, crustaceans, echinoderms

d)

echinoderms, spiders, crabs, insects

5.
The ________ have 2 shells 
a)
Gastropods
b)
Bivalves
c)
Archnids 
d)
Anelids 
6.
If you touch the tentacles of the _____ it stings you!
a)
Ant
b)
Jellyfish
c)
Octopus
d)
Scorpion 
7.

Which of the following is an invertebrate?

a)

Cat

b)

Snail

c)

Goldfish

d)

Humans

8.

What does invertebrate mean?

a)

Animals without a backbone

b)

Animals that change their form

c)

Animals with a backbone

d)

Animals that lay eggs

9.

A butterfly is a type of vertebrate.

a)

True

b)

False

10.

Dragonflies, stink bugs, and lady bugs are __________.

a)

insects

b)

arthropods

c)

animals

d)

invertebrates

11.
Between 90-95% of all animals on earth can be classified as _____.
a)
invertebrates
b)
vertebrates
c)
reptiles
d)
mammals
12.
Why are sponges classified as animals
a)
they digest food
b)
they breathe through gills
c)
they use legs to move
d)
they have skeleton
13.

Describe the symmetry of this sea urchin.

a)

bilateral

b)

no symmetry

c)

radial

d)

cnidarian

14.

Which type of symmetry can be described as being equal on two halves?

a)

bilateral

b)

no symmetry

c)

radial

d)

cnidarian

15.

How does a sponge get food?

a)

It swims to catch food with its spicules.

b)

It spits out its intestines, and those absorb nutrients in the water.

c)

A sponge does not eat.

d)

It filter feeds, using collar cells to sweep water through its body.

16.

Which is an example of a stimulus?

a)

A plant growing toward sunlight

b)

A person sweating in very hot weather

c)

A Chandler strawberry plant needs moist soil.

d)

Pain caused by a thorn in a person's skin.

17.

The regrowth of body parts is a process called

a)

reaggregation

b)

compilation

c)

regeneration

d)

sessilation

18.

A ganglion is similar to a

a)

stomach.

b)

eye.

c)

heart.

d)

brain.

19.

A polyp is a cnidarian with a body shaped like a

a)

vase.

b)

bowl.

c)

sphere.

d)

fish.

20.

Sessile means the animal can't

a)

move.

b)

eat.

c)

go through photosynthesis.

d)

grow.

21.

It is very important that an earthworm’s skin be kept

a)

extremely cold.

b)

extremely hot.

c)

dry.

d)

moist.

22.

The word echinoderm means

a)

small mouth

b)

spiny skin

c)

radial symmetry

d)

star shaped

23.

Which is not a part of an invertebrate?

a)

digestive system

b)

skeleton of some kind (watery, bony, exoskeleton, etc.)

c)

backbone

d)

body

24.

A clam is a bivalve. A bivalve has

a)

2 hinged shells.

b)

a spiral-shaped shell

c)

hard, flat plates under the skin

d)

3 parts to its shell

25.

Which of the following eats soil?

a)

jellyfish

b)

leech

c)

starfish

d)

earthworm

26.

An earthworm is a type of

a)

flatworm.

b)

segmented worm.

c)

aquatic worm.

d)

roundworm.

27.

Flatworms are

a)

flat.

b)

segmented.

c)

invertebrates.

d)

animals.

28.

Organisms that filter food particles from the water or soil are known as

a)

cnidarians.

b)

vicious.

c)

sessile.

d)

filter feeders.

29.

What is Mrs. Cheshire's middle name?

a)

Ellen

b)

Brunhilda

c)

Jo

d)

Elizabeth

30.

How much wood would a woodchuck chuck if a woodchuck could chuck wood?

a)

an infinite amount

b)

around 35 cubic feet of dirt in the course of digging a burrow

c)

an amount equal to his mass

d)

about 14 tons of dirt per hour