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Question

Water canal system of sponge is responsible for all activities except:

A
Locomotion
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B
Food capture
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C
Respiration
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D
Excretion
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Solution

The correct option is A Locomotion
Sponges have a water transport or canal system. Water enters through minute pores (ostia) in the body wall into a central cavity, spongocoel, from where it goes out through the osculum. This pathway of water transport is helpful in food gathering, respiratory exchange and removal of waste.

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