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B
Centipedes
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C
Annelids
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D
Molluscs
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Solution
The correct option is C Crustaceans Green glands are excretory organs of crustaceans. They are also called antennal glands because these glands are located near the base of larger antennae. Each gland has three parts end sac, labyrinth and bladder. The labyrinth is the proper excretory gland.