WorksheetsChapter 13
Total questions: 27
Worksheet time: 17mins
What are the three main groups of Mollusks?
Gastropods
Cephalopods
Annelids
Myriapods
Bivalves
To which group of mollusks does this squid belong?
cephalopod
bivalve
gastropod
To which group of mollusks does this clam belong?
Gastropods
Cephalopods
Bivalves
Arthropods
To which group of mollusks does this cuttlefish belong?
Cephalopods
Bivalves
Gastropods
To which group of mollusks does this cockle belong?
Cephalopod
Bivalve
Gastropod
What is another name for annelid worms?
roundworms
segmented worms
closed worms
flatworms
Which kind of annelid worm is most common?
earthworm
leech
marine worm
flatworm
Mollusks have
Radial symmetry
Bilateral symmetry
No symmetry
None of these
Arthropods are the largest group of animals
True
False
The exoskeleton is shed and replaced by a new one in a process called what?
Endoskeleton
Appendages
Molting
Exoskeleton replacement
Insects are the only invertebrate animal that can fly
True
False
Where are the legs and/or wings located on an insect?
Head
Neck
Thorax
Abdomen
How many legs do insects have?
2
4
6
8
How many legs do arachnids have?
2
4
6
8
What is NOT an example of an arachnid?
Scorpion
Spider
Crustacean
Tick
How many legs do millipedes have per body segment?
2
4
100
1000
Opening (inlet) for water entering the water vascular system
Structures are used for locomotion and capturing food (suction cup-like bottom)
Structures of the digestive system that produce enzymes for the digestion of food
tube feet
stone canal
digestive glands
madreporite
tube feet
stone canal
digestive glands
madreporite
tube feet
stone canal
digestive glands
madreporite
The bottom of the earthworm is called which surface?
dorsal
ventral
top
bottom
