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Mollusks and Arthropods

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which characteristic is NOT found in all mollusks?

a)

mantle

b)

foot

c)

lungs or gills

d)

complex nervous systems

2.

What is something gastropods and bivalves have in common?

a)

They all live in the water

b)

They have tentacles to feed/hunt

c)

They can have an external shell

d)

They have an internal shell

3.

Which of the following is NOT one of the characteristics that make cephalopods different from other mollusks?

a)

They have a closed circulatory system

b)

They live in the ocean

c)

They are very smart

d)

They use tentacles to hunt

4.

What does "having an open circulatory system" mean?

a)

the blood can leave the body

b)

the animal doesn't have a heart

c)

the blood is not contained in blood vessels

d)

the blood is blue in color

5.

Which of the following animals does not belong in the mollusk group?

a)

lobster

b)

clam

c)

squid

d)

slug

6.

Which of the following is NOT shared by all arthropods?

a)

appendenges

b)

exoskeleton

c)

vertebrates

d)

segmented bodies

7.

Crustaceans, arachnids, insect, millipedes and centipedes all belong to which group of invertebrates?

a)

Arthropods

b)

Cnidarians

c)

Mollusks

d)

Worms

8.

The 3 body parts that all insects have are:

a)

head, middle, and abdomen

b)

front, thorax and abdomen

c)

head, thorax and end

d)

head, thorax and abdomen

9.

True or False: Most insects have wings

a)

True

b)

False

10.

Which of the following is NOT a way that insects interact with other living things?

a)

Pollen carriers

b)

Disease carriers

c)

As a form of pest control

d)

environmental clean-up