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WorksheetsArthopoda and Echinodermata
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Which is the only sessile member of the marine arthropods?
a)
Coral
b)
Sponges
c)
Anemones
d)
Barnacles
2.
The Endoskeleton is made up of small calcium carbonate plates called:
a)
Carapace
b)
Ossicles
c)
Spicules
d)
Gonads
3.
Appendages on the abdomen that create water currents, transfer sperm and carry young
a)
Maxillipeds
b)
Chelipeds
c)
Swimmerets
d)
Uropods
4.
Which animal is NOT a Crustacean?
a)
Spider crab
b)
Barnacle
c)
Lobster
d)
Horseshoe crab
5.
What is the exoskeleton usually made up of?
a)
Chitin
b)
Bones
c)
Cuticle
d)
Carapace
6.
Where does a female blue crab hold her eggs?
a)
Brood pouch
b)
Telson
c)
Uropods
d)
Tail
7.
What Sub-phylum is the class Malacostraca apart of?
a)
Arthropoda
b)
Maxillopoda
c)
Crustacea
d)
Cheliped
8.
What is the Phylum for barnacles?
a)
Echinodermata
b)
Maxillopoda
c)
Arthropoda
d)
Cheliped
9.
Echinoderms are the only marine invertebrates with this type of body structure:
a)
Exoskeleton
b)
Adductor muscles
c)
Spicules
d)
Endoskeleton
10.
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
11.
What is the top of a sea star called?
a)
Oral
b)
Dorsal
c)
Aboral
d)
Central ring
12.
Echinoderms exchange gases with the water through their:
a)
Skin gills
b)
Gills
c)
Lungs
d)
Nephridia
13.
Bulbs on the tops of the tube feet that control the amount of water entering and leaving the tube feet:
a)
Water vascular system
b)
Ossicle
c)
Podia
d)
Ampullae
14.
Echinoderms have this type of circulatory system:
a)
Aboral
b)
Closed
c)
Oral
d)
Open
15.
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
16.
Appendages on the abdomen that create water currents, transfer sperm and carry young
a)
Telson
b)
Mandibles
c)
Swimmerets
d)
Chiton
17.
What phylum do crustaceans belong to?
a)
Animalia
b)
Echinodermata
c)
Arthropoda
d)
Cnidarian
18.
Arthropods have this type of circulatory system:
a)
Square
b)
None
c)
Closed
d)
Open
19.
What does Echinodermata mean?
a)
Hard shell
b)
Many arms
c)
Soft bodied
d)
Spiny skin
20.
Horseshoe crab respiratory organs are called?
a)
Lungs
b)
Book gills
c)
Skin gills
d)
Feather gills
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