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WorksheetsMollusks
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What are animals in the mollusca phylum
a)
Snails, birds, fish, turtles
b)
flatworms, snails, snakes, squids
c)
Snails,clams, slugs, squid, octopi, oysters
d)
Tigers, lions, giraffes, zebras
2.
They are not protostomes
a)
False
b)
True
3.
They do have bilateral symmetry
a)
False
b)
True
4.
which animal is not the Gastropoda class
a)
Snails
b)
Slugs
c)
Worms
5.
they occur in almost every habitat on earth
a)
True
b)
False
6.
Gastropod predominantly live in freshwater or terrestrial environments
a)
True
b)
False
7.
shelled mollusks have no segmentation
a)
True
b)
False
8.
They don’t have circulatory systems
a)
True
b)
False
9.
The first Mollusks were thought to have appeared 540 million years ago
a)
True
b)
False
10.
Mollusks didn’t evolve from complex phenotypes like simple worm like animals
a)
True
b)
False
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