wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Arthropod & Mollusk

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Which of the following is NOT a characteristic of arthropods?

a)

Open circulatory system

b)

Jointed appendages

c)

Segmented body

d)

Endoskeleton

2.

Since the exoskeleton limits the growth of arthropods, they have to shed their exoskeletons and form a new one. This is called ____.

a)

defecating

b)

molting

c)

morphing

d)

excreting

3.

In which type of environments do arthropods live?

a)

Marine

b)

Freshwater

c)

Land

d)

All of these

4.
What type of symmetry do Arthropods have?
a)
Radial
b)
Bilateral
c)
Asymmetrical
5.

Millipedes are different from centipedes because millipedes ___.

a)

have more legs per segment

b)

secrete venom

c)

are predators

d)

hae flattened bodies

6.

What are the three main groups most arthropods belong to?

a)

insects

b)

reptiles

c)

arachnids

d)

crustaceans

7.

Choose the arthropod

a)
b)
8.

Choose the arthropod

a)
b)
9.

An insect like a ladybug has ___ legs.

a)

6

b)

8

c)

10

d)

more than 10

10.

An arachnid like a spider has ___ legs.

a)

6

b)

8

c)

10

d)

more than 10

11.

What are the three main parts of an insect's body?

a)

head, thorax, and abdomen

b)

head, legs, and thorax

c)

claws, legs, and head

d)

head, legs, cepthalorax

12.

Check the organisms that are bivalves

a)

Scallop

b)

Snail

c)

Oyster

d)

Octopus

13.
Which part of the Mollusk body is the tissue covering the body and secretes the shell?
a)
Mantle
b)
Trochophore
c)
Foot
d)
Visceral Mass
14.
Which class of Mollusks all have tentacles?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
15.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes
16.
What type of mollusk is this
a)
bivalve
b)
cephalopod
c)
gastrapod
d)
segmented worm
17.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod