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Q 1/21
Score 0
Which of the following represents a difference between cephalopods and other mollusks?
30
They have three main nerves in their mouth, foot, and digestive system
They undergo torsion during larval development
They have tentacles surrounding their mouth
Q 2/21
Score 0
Which of the following classes is most likely to be able to create a pearl?
30
bivalvia
cephalopoda
gastropoda
21 questions
Q.
Which of the following represents a difference between cephalopods and other mollusks?
1
30 sec
Q.
Which of the following classes is most likely to be able to create a pearl?
2
30 sec
Q.
Which of the following best describes bivalves?
3
30 sec
Q.
Which of the following is true of bivalves?
4
30 sec
Q.
Which of the following is true of octopus reproduction?
5
30 sec
Q.
An organism is found with no shell, ten tentacles, and moves with a combination of head fins and their excurrent siphon. Which type of organism would this be considered?
6
30 sec
Q.
Which of the following organisms is most likely to have a highly developed nervous system?
7
30 sec
Q.
Which of the following can be found in the visceral mass?
8
30 sec
Q.
Which of the following organisms is most likely to undergo torsion?
9
30 sec
Q.
Which of the following structures will a bivalve use for defensive purposes?
10
30 sec
Q.
Which of the following methods will typically be used my mollusks to undergo gas exchange?
11
30 sec
Q.
Which of the following happens when a snail or slug desiccates (dries out)?
12
30 sec
Q.
Which of the following represents a difference between marine and freshwater clams?
13
30 sec
Q.
Which of the following classes will be most likely to contain a beak?
14
30 sec
Q.
Which of the following refers to the twisting of a mollusks' visceral mass 180 degrees?
