2
AssignmentMultiple Choice

Mollusks and Echinoderms

Question 2 • Science 7 B (M12 25/26 S2)

Why is it important for the appendages of an arthropod to be jointed?

Answer
A
The joints store water and prevent the animal from drying out.
B
The joints make the appendages flexible and allow for movement.
C
The joints house the sensory organs for each appendage.
D
The joints expand and allow the exoskeleton to grow.
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