

Mollusks and Their Classification
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes mollusks from annelids in terms of physical features?
Presence of a segmented body
Distinct head and foot
Lack of a coiled elementary canal
Absence of gills
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the gills located in mollusks?
In the mantle cavity
In the visceral mass
In the foot
In the shell
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which system in mollusks includes a dorsal heart and a few blood vessels?
Nervous system
Respiratory system
Circulatory system
Excretory system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class of mollusks includes snails and slugs?
Cephalopoda
Gastropoda
Pelecypoda
Annelida
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic feature of the class Cephalopoda?
They are primarily terrestrial
They have a spiral-shaped shell
They have a well-developed nervous system and sense organs
They are typically burrowers in mud and sand
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