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Arthropoda & Echinodermata

Total questions: 48

Worksheet time: 25mins

Name
Class
Date
1.
What is the exoskeleton usually made up of?
a)
Chitin
b)
Bones
c)
Cuticle
d)
Carapace
2.
What phylum do crustaceans belong to?
a)
Animalia
b)
Echinodermata
c)
Arthropoda
d)
Cnidarian
3.
What does Echinodermata mean?
a)
Hard shell
b)
Many arms
c)
Soft bodied
d)
Spiny skin
4.

What body segment does a crayfish have, that a grasshopper does not?

a)

thorax

b)

exoskeleton

c)

spiracle

d)

cephalothorax

5.

By what process do arthropods grow out of their exoskeletons?

a)

Shedding

b)

Molting

c)

Cracking

d)

Metamorphosis

6.

The small appendages found on the crayfish that aid in swimming and reproduction

a)

swimmerets

b)

walking legs

c)

antennules

d)

uropod

7.

Crustaceans are decapods, meaning they have _______ legs.

a)

4

b)

6

c)

8

d)

10

8.

____________ are the jaws of an insect.

a)

pedipalps

b)

labrums

c)

maxillae

d)

mandibles

9.

Which of the following is NOT a characteristic of arthropods?

a)

Exoskeleton

b)

Jointed appendages

c)

Segmented body

d)

Endoskeleton

10.

Which of the following is NOT a function of the exoskeleton

a)

Protection

b)

Prevents water loss

c)

Attachment of muscles

d)

Aids in digestion

11.

Which of the following does not belong in subphylum Crustacea?

a)

Crayfish

b)

Crabs

c)

Shrimp

d)

Millipedes

12.

Echinoderms have endoskeleton

a)

True

b)

False

13.

What are these?

a)

Mouth

b)

Anus

c)

Madreporite

d)

Tube feet

14.

Arthropods have ____________ symmetry.

a)

radial

b)

none

c)

jointed

d)

bilateral

15.

The term 'arthropod' literally means

a)

bent leg

b)

jointed foot

c)

bent foot

d)

jointed skeleton

16.

The phylum arthropoda is the largest animal group on the planet.

a)

True

b)

False

17.
What is the top of a sea star called?
a)
Oral
b)
Dorsal
c)
Aboral
d)
Central ring
18.

Which of the following correctly describes a crayfish's body regions?

a)

head, thorax, abdomen

b)

head, abdomen

c)

cephalothorax, abdomen

d)

head, cephalothorax

19.

Which of the following crayfish structures is used for gas exchange?

a)

Malpighian tubules

b)

Green glands

c)

Gills

d)

Book lungs

20.

Why do arthropods molt?

a)

It happens for no reason

b)

The females don't like the one that they had

c)

The exoskeleton doesn't grow with the arthropod

d)

They are done hibernating

21.
What type of symmetry do Arthropods have?
a)
Radial
b)
Bilateral
c)
Asymmetrical
22.

Molting is dangerous business since:

a)

it has to occur at the right time

b)

at that time they are vulnerable to predators

c)

it takes a very long time to occur

d)

it releases scents to the water predators can follow easily

23.

Millipedes are different from centipedes because millipedes ___.

a)

have more legs per segment

b)

secrete venom

c)

are predators

d)

hae flattened bodies

24.

which of the following is NOT a decapod?

a)

shrimp

b)

sea spider

c)

lobster

d)

crab

25.

decapods have ______ legs.

a)

8

b)

10

c)

12

d)

20

26.

which is a major defense mechanism of sea cucumbers?

a)

squirts out internal organs

b)

change color

c)

grabs predator with tube feet

d)

shoot inky substance out of its mouth

27.
In addition to radial symmetry, echinoderms have a water-vascular system.
a)
True
b)
False
28.
The hard, spiny skin of an echinoderm is called an exoskeleton.
a)
True
b)
False
29.
The adult form of all echinoderms exhibits radial symmetry.
a)
True
b)
False
30.
The phylum Echinodermata includes all of the following except:
a)
starfish
b)
clams
c)
sand dollars
d)
basket stars
31.
What echinoderm is this? 
a)
sand dollar
b)
sea urchin 
c)
sea star
d)
brittle star
32.
What is this a picture of?
a)
Sand dollar
b)
Sea horse
c)
Sea urchin
d)
Starfish
33.

What is the process of regeneration?

a)

When an animal sheds its exoskeleton.

b)

When an animal can clean the ocean floor.

c)

When an animal can regrow a body part.

d)

When an animal recycles plastic bottles and cans.

34.

What does the prefix penta refer to?

a)

5

b)

10

c)

3

d)

7

35.

Which of the following are arthropods? Check all that apply

a)

ladybug

b)

squid

c)

crab

d)

sea cucumber

36.

Which of the following are echinoderms?

a)

sand dollar

b)

sea urchin

c)

spider

d)

sea star

37.

Which of the following are true about arthropods?

a)

they have an exoskeleton

b)

jointed legs

c)

segmented bodies

d)

all are carnivores

38.

Which body parts would be found on an insect?

a)

antennae

b)

legs

c)

thorax

d)

cephalothorax

e)

abdomen

39.

A spider has (a)   legs.

40.

A butterfly has (a)   legs

41.
The sieve like opening into the water vascular system on the aboral surface of a sea star is called:
a)
Mouth 
b)
Skin Gills
c)
Ring canal
d)
Madreporite 
42.
The madreporite is connected to the ring canal by which part of the water vascular system? 
a)
Lateral canal
b)
Radial canal
c)
Stone canal
d)
Nerve canal
43.

A network of water filled canals with thousands of tubes connected to it.

a)

tube feet

b)

sea star

c)

water vascular system

d)

endoskeleton

44.

Which of the following lists the correct order in which water travels through the water vascular system?

a)

tube feet, stone canal, madreporite, radial canal, ring canal, ampullae

b)

stone canal, radial canal, ring canal, ampullae, tube feet, madreporite

c)

ring canal, radial canal, ampullae, tube feet, stone canal madreporite

d)

madreporite, stone canal, ring canal, radial canal, ampullae, tube feet

45.
What is the name of the part of the spiders body labeled D?
a)
spinnerets
b)
cephalothorax 
c)
fangs
d)
abdomen  
46.
How many body segments does a spider have?
a)
2
b)
4
c)
3
d)
1
47.

What is number 2?

a)

Spinneret

b)

Legs

c)

Chelicera

d)

Pedipalps

48.

What is number 5?

a)

Chelicera

b)

Spinneret

c)

Pedipalps

d)

Abdomen

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