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Classification of invertebrates

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.
The scorpion has 4 pairs of jointed legs and an exoskeleton.  
To which group does it belong?
a)
insect
b)
arachnid
c)
crustacean
d)
myriapod
2.

A simple worm that is flat and thin

a)

flatworm

b)

sponge

c)

Ringworm

d)

Roundworm

3.

What class of arthropods includes spiders, scorpions, mites, and ticks?

a)

crustaceans

b)

arachnid

c)

Pupa

d)

Tube foot

4.

Which of the following definitions describes an anthropod?

a)

animal with a backbone

b)

animal without a backbone

c)

a feature that is passed on to a living thing from its parent

d)

animal that has a hard covering outside its body

5.

Check all of the following that are a way we classify vertebrates.

a)

mammals

b)

plants

c)

fish

d)

anthropods

e)

reptiles

6.

________ are animals with distinct body sections, jointed legs, and a hard body covering that forms an outer skeleton.

a)

Amphibians

b)

Mammals

c)

Vertebraes

d)

Anthropods

7.
What type of body do all Mollusks have?
a)
Segmented
b)
Soft
c)
Rigid
d)
Clear
8.
In what type of environment do MOST mollusks live?
a)
Soil
b)
Freshwater
c)
Marine
d)
Terrestrial
9.

Mollusks, arthropods, and echinoderms are all ____________________.

a)

Arachnids

b)

Insects

c)

Invertebrate

d)

Vertebrate

10.
?
a)
Myriapoda
b)
Insecta
c)
Arachnida
d)
Crustacea
11.
What phylum are crustaceans a part of?
a)
Arachnids
b)
Arthropods
c)
Animals
d)
Invertebrates
12.
How many jointed legs do most crustaceans have? (decapods)
a)
6
b)
8
c)
10
d)
12
13.

What am I?

a)

Arthropod

b)

Cnidarian

c)

Mollusk

d)

Insect

14.

I have a long thin body and many pairs of legs on each section of my body. I am a centipede.

a)

Arachnid

b)

Myriapod

c)

Insect

d)

Crustacean

15.
I have four pairs of legs and a body divided into two sections.  I am an arachnid.
a)
Echinoderm
b)
Cnidarian
c)
Mollusk
d)
Arthropod
16.

I have three pairs of legs and a body divided into three sections. As a butterfly, I have wings.

a)

crustacean

b)

arachnid

c)

insect

d)

myriapod

17.

What class of invertebrate am I in?

a)

Echinoderm

b)

Cnidarian

c)

Mollusk

d)

Annelid

18.

All insects have _____ legs.

a)

6

b)

8

c)

10

d)

12

19.

All spiders have ____ legs?

a)

6

b)

7

c)

8

d)

10

20.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
21.
Which of the following is an example of a crustacean?
a)
squid
b)
crab
c)
earth worm
d)
bumble bee
22.

What is the classification of this animal?

a)

Invertebrate with segmented body

b)

Invertebrate with non-segmented body

23.
a)

Invertebrate with more than 3 pairs of legs

b)

Invertebrate with segmented body

c)

Invertebrate with non-segmented body

d)

Invertebrate with 3 pairs of legs

24.

What is this animal?

a)

Sponges

b)

Sea anemone

c)

Mollusks

d)

Fish

25.

Which of the following animal is invertebrates, has 6 pairs of legs and segmented body?

a)

Ants

b)

Spider

c)

Millipede

d)

Bat

26.

These invertebrates have a soft body and may or may not have a hard outer shell.

a)

mammals

b)

worms

c)

protists

d)

mollusks

27.

What is the classification of this animal?

a)

Invertebrate with legs

b)

Invertebrate without legs

28.

What is the classification of this animal?

a)

Invertebrate with 3 pairs of legs

b)

Invertebrates with more than 3 pairs of leg

29.

An echinoderm with five arms arranged around a center point.

a)

sea cucumber

b)

sea star

c)

sand dollar

d)

tube feet

30.

An echinoderm with soft body and a leathery covering.

a)

sea star

b)

sand dollar

c)

sea urchin

d)

sea cucumber

31.

Echinoderms have no head or brain.

a)

True

b)

False

32.
Which are some myriapods?
a)
Millipede 
b)
Centipede
c)
Both of them 
33.
How to define something as a Myriapod?
a)
- More than 20 legs 
- Lots of segmented body parts
b)
- Less than 20 legs 
- Lots of segmented body parts
c)
Only has segmented body parts 
d)
All the of the before ones are wrong 
34.
Where do millipede or centipede live?
a)
Trees
b)
Dessert 
c)
Sea
d)
Under the ground
35.
Do myriapods have antenas?
a)
Yes 
b)
No
36.
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
a)
Annelida
b)
Platyhelminthes
c)
Nemotoda
d)
Nemertea
37.

earthworm

a)

with leg

b)

without leg

c)

without segmented body

d)

with segmented body

38.

invertebrates without legs without segmented body

a)

cockles

b)

oysters

c)

clam

d)

jellyfish

39.

prawn is NOT an invertebrate

a)

true

b)

false

40.
Which three parts of the body has an insect?
a)
Tencacles, head, legs
b)
head, abdomen, legs
c)
Head, thorax, abdomen 
d)
Hair, bones, foot 

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