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WorksheetsPhylum Mollusca Quiz
Total questions: 20
Worksheet time: 13mins
What Phylum do both squid and clams belong to?
Phylum Porifera
Phylum Cnidaria
Phylum Echinodermata
Phylum Mollusca
Which of the following is NOT a "Class" of Mollusks?
Bivalvia
Gastropoda
Cephalopoda
Arthropoda
Letter "A" represents the _________ of a clam.
palps
gills
siphon
foot
Letter "B" represents the _________ of a clam.
palps
gills
siphon
foot
Letter "C" represents the ___________ of a clam.
palps
gills
siphons
foot
Letter "D" represents the _________ of a clam.
palps
foot
siphons
gills
The organism pictured above belongs to the "Phylum" Mollusca. Which "Class" does it belong to?
Bivalvia
Gastropoda
Cephalopoda
Porifera
The organisms pictured above belong to the "Phylum" Mollusca. Which "Class" do they belong to?
Bivalvia
Gastropoda
Cephalopoda
Arthropoda
How do Clams obtain nutrients?
They are autotrophs so they make their own food from the sun.
They eat plants.
They are filter feeders.
Letter "A" represents the _________ of a squid.
arm
tentacle
mantle
fin
Letter "B" represents an __________ of a squid.
arm
tentacle
mantle
fin
Letter "C" represents the _________ of a squid.
arm
tentacle
mantle
fin
Letter "D" represents the _______ of a squid.
arm
tentacle
mantle
fin
How many arms does a squid have?
2
4
6
8
Pond snails and land slugs belong to this Class of Mollusks
Bivalves
Gastropods
Cephalopods
Echinodermata
Both Clams and Squid have a siphon. How do they use it differently?
Clams have an external skeleton called a shell. Squid have an internal skeleton called a ___.
siphon
pen
ink
palp
Clams and Squid use this organ to obtain oxygen from seawater.
siphon
gill
mantle
foot
Members of the phylum Mollusca, known as mollusks, are named from the Latin word molluscus, meaning ____.
soft
hard
dense
immovable
Clams have muscles that allow their shell to open and close, called these.
Adductors
Reductors
Impeders
Conductors
